Tuesday, January 21, 2020
President FDRââ¬â¢s New Deal Essay -- The New Deal Franklin Delano Rooseve
The 1930ââ¬â¢s were one of the most difficult times in American history. It was the time of the Great Depression. Millions of Americans suffered hardships as the economy was in a free fall. Many Americans were unemployed and lost almost everything they had owned. In 1932, America realized it was time for a change, and elected Franklin Delano Roosevelt in a landslide vote. Roosevelt promised to help end the depression and with his New Deal. The New Deal was Rooseveltââ¬â¢s plan to end the Great Depression. Through increased government spending, FDR enacted numerous public works programs in an effort to simulate the economy. The New Dealââ¬â¢s ââ¬Å"alphabet soupâ⬠(this was the nickname for the numerous programs FDR enacted) was FDRââ¬â¢s plan to people out of the depression. The New Deal affected different industries and groups of Americans in unique ways and helped save the nation. One of the groups hardest hit by the Great Depression were the farmers. Due to overproduction and under consumption after World War I and during the 1920ââ¬â¢s, the prices of crops fell dramatically. Because of the low prices, Farmersââ¬â¢ incomes fell. The farmer was in a crisis as the Great Depression hit. The farmers were crucial to the American economy and FDR and the New Deal intended to help them. In the first one hundred days of the New Deal, Roosevelt attempted to help the farmers by establishing the Agricultural Adjustment Act (AAA). The AAA was intended to help restore purchasing power of farmers. It restored the price takeoff that helped farmers make all that money during the war. Itsââ¬â¢ main plan was to reduce the size of crops by paying farmers to plow their crops under. This, in theory, would shoot the price of the crops. There were a few problems with the AAA though. It seemed as cruel because the government was destroying crops that could be used to feed all the starving people. The AAA also didnââ¬â¢t do much to help tenant farmers and sharecroppers. This was because the money that the government was paying the owners of the farm to plow the fields under was never shared with the tenant farmers and sharecroppers. Even though the farmer owners were told to give some of the money to the people who worked their land they never did. The New Deal also set up other agencies to help farmers. FDR set up the Farm Resettlement Administration, the Rural Electrification Administ... ...al aid for the elderly, but it was not meant to be the main source of retirement. It also provided unemployment insurance, aid for persons who were blind or crippled, and aid to dependent children. Roosevelt would pay for this act with a tax on corporations and rich people. This act gave the people comfort because they now believed that the government would help them financially when they needed it. It also gave unions more initiative to strike because the government has security for them. FDRââ¬â¢s New Deal gave American hope during a time when there was little optimism. It gave Americans jobs; it put food on the table, and started to restored confidence in the economy. FDRââ¬â¢s New Deal might not have ended the Great Depression, but it left a legacy. A legacy that you can see in the unions, in the numerous public works projects, in the big government we have today, in the acts like Social Security, and most importantly in the people whose lives it changed forever. BIBLIOGRAPHY 1) Encartaà ® Concise Encyclopedia Article. (http://encarta.msn.com) 2) Encyclopedia.com (http://www.encyclopedia.com) 3) Franklin D. Roosevelt and the New Deal (http://www.geocities.com)
Monday, January 13, 2020
Tomorrow when the war began Essay
In the novel; ââ¬ËTomorrow when the war beganââ¬â¢, the characters experience various changes and transformations. These changes occur when the different characters experience life threatening situations and environmental change. The characters have to adapt, think and behave differently. The changes that occur involve the themes of leadership, war and love. Throughout the novel, John Marsden shows change in Ellie. In the beginning Ellie is a carefree but hard working girl and known as a bit of a tomboy. As the war begins she realizes she needs to grow up and mature quickly. Ellie went camping with her friends in Hell and was not worried or expecting anything. This is how Ellie was carefree in the beginning. Ellie became strategic when she saw what was happening at the show grounds by delegating people to certain jobs and roles. At the show grounds Ellie says, ââ¬Å"I felt then, and still feel now, that I was transformed by those four steps. At that moment I stopped being an innocent rural teenager and started becoming someone else, a more complicated and capable person. A force to be reckoned withâ⬠¦ not just a polite obedient kid. â⬠This quote shows us that this was the turning point where Ellie experienced major change and started thinking rationally. She developed and showed leadership. In the novel, the characters had never faced a war situation they did not know what to do or how to react. As the novel progresses, the characters strategies change, as does their perspective on war. ââ¬Å"A month ago we were average teenagersâ⬠¦ now weââ¬â¢re soldiers, we wonââ¬â¢t run, we wonââ¬â¢t hide, weââ¬â¢ll fight and keep fighting, and never give up, until this war is finally won. â⬠This quote by Ellie shows courage, strength and maturity. Throughout the text there many important references that relate to war countries now, where homes are being invaded and teenagers and even adults have to, ââ¬Å"start thinking like soldiersâ⬠. This quote was said by Ellie and it again shows maturity and her realising that if they ever want to see their family again, they are going to have to fight and save their town. Chris falls asleep while keeping watch and Ellie freaks out, this is an important turning point in the text, this is when the teens really realise that this is war and they must fight if they are to survive. This is how the characters perspective of war changes and how the theme of war is explored in the novel. Throughout the text John Marsden describes relationships of love, friendship and hatred. Love is shown through the relationship that exists between Homer and Fi. In the text the teenagers are playing in the water and Homer gets distracted by looking at Fi. In the beginning Homer is immature, a loud mouth, disrespectful, a troublemaker, wild, crazy and many others When Homer meets Fi and falls in love with her, John Marsden shows a change in Homer to one of thoughtfulness, maturity, bravery and he shows emotion and compassion in Homer. This is how love is shown between Homer and Fi. The text explores the theme of friendship between all of the teenagers. When they have to fight and look out for each other they form a strong bond, they are like family to each other. ââ¬Å"At that age you think boys have as much personality as coat hangers and, you donââ¬â¢t notice their looks. Then you grow up. â⬠This quote means girls may not like boys, for example; Robyn and Homer are completely different. Robyn is a very polite and religious person and Homer is a bit of a wild pig, but in the end of the text the characters change, they look out for each other like they are family. Hatred is also described in the text when group of teens are fighting against the army and Corrie gets shot. The teenagers then feel hatred towards the soldiers because one of their closest friends could die. This is how the relationships change between the characters. The novel discusses and how tough war is and how hard others would fight for each other. Throughout the text we see how towns are invaded and families are torn apart, in some countries like Afghanistan for example, things like this still happen and it needs to stop! Leadership, war and love are some major themes that are described in Tomorrow when the war began. This text tells us to be courageous and if anything like this ever happened in Australia we would need to work together to survive.
Sunday, January 5, 2020
Marx, Durkheim, Weber and Sociology Essay - 1681 Words
The theoretical works of Karl Marx, Emile Durkheim and Max Weber still influence sociological theory. Though their works are decades old they still are a major part of what sociology is today. Though their theories can seem very different, there are some similarities. To become a great sociologist one most learn and understands how to use all sociological perspectives. To do this one must understand and use the different theoretical perspectives created by Marx, Durkheim, and Weber. Karl Marx theoretical perspective on conflict is by far one the most interesting theories in sociology. Born into a middle class family in Germany, he had a very close relationship with his father. Marx began his studies in law, but switched to philosophy.â⬠¦show more contentâ⬠¦Those who control means of production have power over the rest of the society (Morrison, 2006). Marx saw two very different social classes. The first being the proletariat or those who work who own the means of production. The second class being the Bourgeoisie, or the owners of the means of production (Morrison, 2006). Marx believed that because one group had power over another is the root cause for social issues. When Marx saw the conflict between these two classes, he began to look for an understanding how it began. Marx focused on the change to a capitalistic society, by looking at the history of economic development. Marx believed that the economy went though different economic stages. He believed that each economic development had their own laws (Morrison, 2006). Marx saw that capitalism began because of industrialization. Conflict theory allows us to see the conflict between social life and capitalism. Marx saw the power struggle between classes and felt that it is wrong to ignore inequality. One of the biggest inequalities between the two classes was the alienation of the workers (Morrison, 2006). Only one class, the wealthy gains the full benefit of the labor. An example of this is a worker who builds something that they will never be able to afford. Because of this the worker loses control of their production. This is what conflict theory is, the power struggle between twoShow MoreRelatedThe Impacts of the Emergence of Sociology on the Works of Emile Durkheim, Karl Marx and Max Weber1057 Words à |à 4 Pagesemergence of sociology as a discipline is a result of the social, economic, political and technological developments in the eighteenth and nineteenth centuries. In this essay, the adequacy of this viewpoint will be analysed by pointing out these developments and highlighting their impact on th e works of Emile Durkheim, Karl Marx and Max Weber. The three are considered because they are regarded as the pioneers of sociology. Furthermore, the relevance of the early work of the above to modern sociology willRead MoreKarl Marx, Emile Durkheim And Max Webers Influence On Religion1727 Words à |à 7 PagesThree theorists, Karl Marx, Emile Durkheim and Max Weber, are undoubtedly the fathers of modern sociology. ââ¬Å"Nineteenth century Western Europe was pounded by pivotal forces of transformation. Politics, education, religion, communication science, art, and social life were being revolutionized.â⬠(Mohseni 1994;85) Each with distinct views on society and religion, these sociologists are and their theories are significant especially in the field of society. Just as much as they play a major role in theRead MoreComparing and Contrasting Sociological Theorists Max Weber, Emile Durkheim and Karl Marx1599 Words à |à 7 PagesEmile Durkheim, Karl Marx, and Max Weber are al l important characters to be studied in the field of Sociology. Each one of these Sociological theorists, help in the separation of Sociology into its own field of study. The works of these three theorists is very complex and can be considered hard to understand but their intentions were not. They have their similarities along with just as many of their differences. The first theorist to consider is Karl Marx. Marx has a uniqueness all of his ownRead MoreMarx, Weber And Durkheim1714 Words à |à 7 PagesMarx, Weber and Durkheim are the most important figures in sociology. You hear their names in all branches of sociology. These historical sociologists shaped the social structure in the modern world and are well known and still talked about today. Letââ¬â¢s take a glimpse at each of them. Emile Durkheim was a French sociologist; he is the founding figure in the sociology world and is also known as the father of sociology. He made sociology a science. He was interested in what held societies togetherRead MoreDurkheimââ¬Å¡Ãâà ´s theories focusing on sociological methodology, division of labor and social solidarity1195 Words à |à 5 PagesEssay 3 ââ¬â Durkheim 03/29/2014 DURKHEIM: A SUMMARY OF THEORIES IN RELATION TO MARX AND WEBER Durkheimââ¬â¢s theories focusing on sociological methodology, division of labor and social solidarity The majority of Durkheimââ¬â¢s work is interested in society and societies ability to preserve coherence and rationality an period of increasing modernity. Throughout his work Durkheim was intensely concerned that society become a legitimate science, this is especially obvious when reading the book ââ¬ËEmileRead MoreKarl Marx And Max Weber1174 Words à |à 5 PagesThe study of sociology has always focused on examining the many factors that compose society and the myriad of ways in which it functions. Karl Marx along with Ãâ°mile Durkheim and Max Weber were the pioneers that are credited as being the founders of classical sociology. They were the first ones to thoroughly examine the complexities of society and create theories for them. The theoretical frameworks and research methodologies created by these sociologists were products of the enlightenment and areRead MoreAnalysis of Marx, Weber, and Durkheims Views Essay1223 Words à |à 5 PagesThe sociological views ofà th e three founding fathers; Karl Marx,à Max Weber, andà Emile Durkheimà all assert that various aspects of our lifestyle are fully a product of the society in which we live. Each theorist views the impact of society and its manifestation of our identity in a different way. All three of these men used the Industrial Revolutionà and capitalism to shape their theories of social identity, especially the identity created by capitalisms division of labor; the owners of the meansRead MoreDurkheim s Influence On Sociology1240 Words à |à 5 Pagesdescribe the impact Marx, Durkheim, Weber had on sociology as prominent contributors of the discipline. Durkheim and Max Weber, Marx is seen as one of the three founders of the social sciences. Emile Durkheim, was a French sociologist. His theories and writings helped establish the foundations of modern sociology. Durkheim disagreed with most social theorists of the late 1800 s because they thought that individual psychology was the basis of sociology. Durkheim regarded sociology as the study ofRead MoreMarx, Weber And Durkheim s Views On The Social1385 Words à |à 6 Pagesessay I am going to address three core sociology theorists; Marx, Weber and Durkheim, they all had different opinions about how society functioned through the different types of relationships. Each theorists had a different perspective about ââ¬Å"the socialâ⬠and how that perspective presented it through society. Marxââ¬â¢s view on ââ¬Å"the socialâ⬠was focused on production relations and how the classes interacted with one another through that type of relationship (Marx 1844). Weberââ¬â¢s view on ââ¬Å"the socialâ⬠wasRead MoreFunctionalism : Functionalism And Functionalis m1100 Words à |à 5 PagesFUNCTIONALISM AND WEBERIANISM Functionalism has been focused on different parts of the societies ââ¬Ëfunctioningââ¬â¢ to keep up social order and foundation. Emile Durkheim, Talcott Parsons and Robert Merton were the three main theorists of functionalism, where they studied to understand how different parts of society could connect and work towards promoting social steadiness and harmony. Parsons viewed health as an important part of foundation and building a better society where illness has stopped
Saturday, December 28, 2019
Learn More about the Bright Star Sirius
Sirius, also known as the Dog Star, is the brightest star in our night-time sky. Its alsoà the sixth closest star to Earth, at a distance ofà 8.6 light-years. (A light-year is the distance that light travels in a year). The name Sirius comes from the ancient Greek word for scorching and it has fascinated observers throughout human history because of its brightness and colorful twinkling. Astronomers began seriously studying Sirius in the 1800s, and continue to do so today. It is usually noted on star maps and charts as alpha Canis Majoris, the brightest star in the constellation Canis Major (the Big Dog).à Sirius is visible from most parts of the world (except for very northerly or southerly regions), and can sometimes be seen during the day if conditions are right.à The Science of Sirius The astronomer Edmond Halley observed Sirius in 1718 and determined its proper motion (that is, its actual motion through space). More than a century later, astronomer William Huggins measured theà actual velocityà of Sirius by taking a spectrum of its light, which revealed data about its speed. Further measurements showed that this star is actually moving toward the Sun at a velocity of about 7.6 kilometers per second.à Astronomers long suspected that Sirius might have a companion star. It would be hard to spot since Sirius itself is so bright. But, they kept looking for it. In 1844, F.W. Bessel used analysis of its motion to determine that Sirius really did have a companion. That discovery was finally confirmed by telescope observations in 1862. The companion is called Sirius B, and it is the first white dwarfà (an aged type of star) with a spectrum to show a gravitational redshift as predicted by the general theory of relativity.à There are stories floating around that some early civilizations saw this companion without the aid of a telescope. It would have been very hard to see unless the companion was very bright. So, its not clear what the ancients saw. However, current scientists are quite interested in learning more about Sirius A and B. More recent observations with Hubble Space Telescope have measured both of the stars, and revealed that Sirius B is only about the size of Earth, but has the mass close to that of the Sun.à Comparing Sirius Itself to the Sun Sirius A, which is what we see with the naked eye, is about twice as massive as our Sun. It is also 25 times more luminous than our star. Over time, and as it gets closer to the solar system in the far distant fugure, it will also increase in brightness. Thats part of its evolutionary path.à While our Sun is about 4.5 billion years old, Sirius A and B are thought to be no more than 300 million years old and so their story is yet to be told. Why is Sirius Called the Dog Star?à This star has earned the name Dog Star from an interesting time in Earths past. One reason its called that is that its the brightest star in Canis Major. However, theres a more interesting idea about its name: it was also incredibly important to stargazers in the ancient world for its prediction of seasonal change. For example, in the time of the Pharoahs in Egypt, people watched for Sirius to rise just before the Sun did. That marked the season when the Nile would flood, and bathe the nearby farms with mineral-rich silt.à The Egyptians made a ritual of looking for Sirius at the right timeââ¬âit was that important to their society. The rumor goes that this time of year, typically late summer, came to be known as the Dog Days of summer, particularly in Greece, when people began looking for the Dog star just before sunrise. The Egyptians and Greeks werent the only ones interested in this star. Ocean-going explorers also used it as a celestial marker, helping them navigate around the worlds seas. For example, to the Polynesians, who have been accomplished navigators for centuries, Sirius was known as Aa and it was part of a complex set of navigational star lines the islanders used to voyage up and down the Pacific between Tahitian islands and Hawaii.à Today, Sirius is a favorite of stargazers, and enjoys many mentions in science fiction, song titles, and literature. It appears to twinkle madly, although thats really a function of its light passing through Earths atmosphere, particularly when the star is low on the horizon.à à Edited and updated by Carolyn Collins Petersen.
Friday, December 20, 2019
Naturalistic Observation - 1075 Words
NATURALISTIC OBSERVATION Naturalistic Observation St. Paulââ¬â¢s School of Nursing Itââ¬â¢s Saturday afternoon and I am sitting here in a very crowded food court at the Staten Island mall. I will be observing a young boy about the age of 3 and I will name him Chris. Chris is sitting with his mom and with them is another little boy who seems about the same age as Chris and I assume the other woman is his mom. Chris is the most adorable looking boy with dark black hair and big dark eyes. He is sitting next to his mom and the other boy is sitting right across from him. Iââ¬â¢m assuming that this is a play dateâ⬠¦show more contentâ⬠¦I caught his mom wink at the other mom as if to show victory. Thatââ¬â¢s always a great feeling in my perspective. , I then noticed that Chris was trying to tie his shoelace. His mom grabbed his foot and started to tie it for him. Chris quickly pulled his foot back and said, ââ¬Å"No, I do it!â⬠She allowed him to, but he was definitely struggling with it and wasnââ¬â¢t giving up. This shows that Chris was in Er ick Ericksonââ¬â¢s stage called initiative-versus-guilt stage. This is where children face conflicts between the desire to act independently of their parents and the guilt that comes if they donââ¬â¢t succeed. . (Feldman, R. S. 2009, Page 179). Even though he was struggling, his mom did give him time to try. Erickson states that parents who react positively can help their children resolve these opposing feelings. By providing their children with opportunities to act self-reliantly, parents can support their childrenââ¬â¢s initiative. On the other hand, parents who discourage their childrenââ¬â¢s independence may contribute to a sense of guilt that persists throughout their lives and affects their self-concept. . (Feldman, R. S. 2009, Page 179). Eventually, Chris stuck his foot out to his mom so she can tie it for him. After a few minutes, Chrisââ¬â¢ mom stood up and was putting on her jacket. Chris immediately turned to her and asked, ââ¬Å"We go home now?â⬠As she nodded a yes to him, he quickly began to put on his jacket. This is characteristic toShow MoreRelatedNaturalistic Observations Of Naturalistic Observation1765 Words à |à 8 PagesWhat is naturalistic observation? How does a researcher collect data when conducting naturalistic observation research? Naturalistic observation gathers data to provide a ââ¬Å"complete and accurate picture of what occurs in a setting,â⬠(Cozby Bates, 2014, P. 119). The observation describes qualitatively events such as how people make decisions and how they solve problems using the skills individually and sometimes as a group think (Cozby Bates, 2014). Naturalistic observations take place in aRead MoreEssay on Naturalistic Observation1165 Words à |à 5 Pagesorganized below by the extent to which an experimenter intrudes upon or controls the environment. Naturalistic Observation Naturalistic observation, also known as nonparticipant observation, has no intervention by a researcher. It is simply studying behaviors that occur naturally in natural contexts, unlike the artificial environment of a controlled laboratory setting. Importantly, in naturalistic observation, there is no attempt to manipulate variables. Strength: We can measure what behavior is reallyRead MoreEssay on Naturalistic Observation678 Words à |à 3 PagesNaturalistic Observation Naturalistic observation involves recording subjects naturally occurring behavior while they are in their natural environment. This experiment revolves around this type of observation. Specifically, it involves the observation of the various human dyads (male-female, male-male, female-female,) social interaction, within in a public environment. Focal points of observation included conversation space (distance between individuals heads,), and body language. Read MoreNaturalistic Observation And Laboratory Controlled Observation1775 Words à |à 8 Pagesresearch are of two broad categories; naturalistic observation and laboratory controlled observation. There are various forms of observational study which include; Casual and Scientific observation, Naturalistic Observation, Subjective and Objective observation, Direct and Indirect observation, Participant and Non Participant observation, Structured and Unstructured observation, Controlled and Non Controlled observation, Concealed and Non-concealed Observation, etc. The observational method usedRead MorePsychology-Naturalistic Observation Essay1781 Words à |à 8 PagesNaturalistic Observation Primary Reference Source Loucopoulos P and V Karakostas (1995) System Requirements Engineering. McGraw Hill International. Summary description Observational methods involve an investigator viewing users as they work and taking notes on the activity which takes place. Observation may be either direct, where the investigator is actually present during the task, or indirect, where the task is viewed by some other means such as through use of a video camera. Read MoreQualitative Methods Of Naturalistic Observations1860 Words à |à 8 PagesQualitative Methods Naturalistic Observations Researchers when defining naturalistic observations they are noted to be relative or informative fieldworks of observations made by a researcher of research subjects in their natural settings (Cozby Bates, 2012). It is very important and relevant for the researcher to observe the phenomenon in situ (Trochim Donnelly, 2008). Naturalistic observational research focuses on groups of individuals for example: For example, you can go to the bookstore,Read MoreEssay about Psychology-Naturalistic Observation1785 Words à |à 8 Pages Naturalistic Observation Primary Reference Source Loucopoulos P and V Karakostas (1995) System Requirements Engineering. McGraw Hill International. Summary description Observational methods involve an investigator viewing users as they work and taking notes on the activity which takes place. Observation may be either direct, where the investigator is actually present during the task, or indirect, where the task is viewed by some other means such as through use of a video camera. Typical ApplicationRead MoreNaturalistic Observation Of Student s A Coffee Line1124 Words à |à 5 PagesNaturalistic Observation of Studentââ¬â¢s in a Coffee Line In the United States, 85% of adults own a cell phone, with 18 to 24 year olds texting the most (Zickuhr, 2011). Of these adults, 67% reported that they check their phone even if they do not hear it ringing, 44% sleep with the phone beside their bed, and 29% reported they could not live without their cell phone (Smith, 2012). In addition, according to the Baylor University report, studies show that young adults check their phone an averageRead MoreParticipant, Nonparticipant, Naturalistic, Overt And Covert Observations1246 Words à |à 5 Pages Mani Kallupurackal Evaluate participant, nonparticipant, naturalistic, overt and covert observations Participant Become part of the group you observe Form relationships with group members- may become subjective as they develop personal relationships with the members Record data on what they say, how they interact Be reflexive Researcher must reflect on their interpretation and how they are affected by joining the group Can get detailed knowledge about a group of people or phenomenon- becauseRead MoreNaturalistic Observation874 Words à |à 4 Pagesï » ¿Renyangliu Tang Psych-122 Dr. Feren Naturalistic observation My observation locations are Starbucks and restaurant. I chose them as my observation location because those are the places where people normally talk, study, socialize and interact in a casual manner. Woman Woman The first pair I observed is woman and woman. It was in the Starbucks, two Korean women around 19 years old are standing on the line to buy coffee. Neither of them were talking on the cell phone and the one in the front
Wednesday, December 11, 2019
Physical Characteristics of a Spherical Lens -myassignmenthelp.com
Question: Discuss about thePhysical Characteristics of a Spherical Lens. Answer: Describe the physical characteristics of a spherical lens? Spherical lenses are classified as either concave or convex due to the curving of their spherical surfaces. Convex lenses are thick at the middle and thin at the edges. When light passes through the convex lens, it converges thus referred to as a converging lens. Concave lenses are thin at the middle and thick at the edges. Concave lenses diverge light passing through it thus are diverging lenses. Describe the physical characteristics of a toric lens and state the names given to the principal meridians on the back surface? Combines a spherical curve and cylindrical curve thus referred to as spherocylindrical Base curve - a principal meridian on the back surface with a minimum curvature What is the difference in the focus produced by a spherical and toric lenses? In a spherical lens, parallel light rays diverge from a singular focal point in concave lenses and converge in a singular focal point in convex lenses while in toric lenses, focus is at different focal points from different meridians How can you improve the field of view for hypermetropic patients? Patients who have a long sightedness disorder are referred to as hypermetropic patients or rather suffer from hypermetropia. This means, when parallel light rays pass through their eyes, objects are focused beyond their eye's retina. First, troubleshoot clinically the level of hypermetropia in order to give the right prescription. Some stages may require a prescription of spectacles with convex lenses so that focus of rays is on the retina or contact lenses prescription to eliminate prismatic effects. Other advanced stages may require surgical procedures but consult with the patient further if a surgical procedure is the only method that will improve their field of view. Describe two methods of reducing the finished centre and edge thickness of a pair of spectacles? Flattening the lenss base curve Using aspheric lens designs that generally use small sizes of spectacle frames, therefore, reducing the edge thickness of the spectacles What does minus cylinder form mean how is it used in lens design? Minus cylinder is a notation used to describe the cylinder power for the few diopters whose divergence is greater than the sphere component. The plus cylinder and minus cylinder differ by way of the different shapes produced for the ophthalmic lens used in managing the thickness and frame fitness during the lens design. Therefore, in lens design, a minus cylinder is used to manage the thickness of a lens and fitness of a lens into the frame. Polarization and polarized lenses: How are polarized lenses manufactured and how does this differ from non-polarized tinted lenses? Manufacture of polarized lenses involves stretching a material made of needle-like crystals of herapathite and a transparent polymer film of nitrocellulose, through the application of magnetic or electric fields to make the material dichroic. Polarized lenses and non-polarized tinted lenses differ by way of how they work in protecting an individual if worn as sunglasses. Polarized lenses for instance protect an individuals eyes from the suns UV rays as well as reflections and glares that cause irritation. On the other hand, non-polarized tinted lenses used in sunglasses do not offer UV protection and instead block sunlight from above in gradient tinted lenses or everywhere if they are double gradient tinted. Explain how sunlight from the environment is polarized? The Rayleigh sky model explains how sunlight from the environment is polarized by a way of a celestial pattern consisting of molecules from air, aerosols, water and dust and geometrically represented by a celestial triangle with Zenith, The sun and the scattering point of the sun rays as the apices. The pattern depends solely on the position of the sun in the solar system. Rays of light are maximally polarized at a circular band in an angle of 90 degrees from its source which is the sun and as the earth rotates around the sun, the degree of sunlight polarization changes too. (Ropars, Lakshminarayanan, Le Floch, 2014). How do polarized sunglasses lenses filter plane polarized light? When plane-polarized light passes through the polarized lenses of the sunglasses, the light waves vibrating parallel and horizontally from the source of light travel in a traverse form and enter the sunglasses. The lenses filter the waves by blocking red light which causes glares and allows blue light which is less glaring. This gives way to blue light waves vibrating vertically from the source of light What is the advantage of filtering polarized light? When used in cameras for photography purposes, filtering polarized light leads to the production of an image with increased image contrast by reducing the glare. Reflections on high minus lenses are reduced by an anti-reflective coating. Explain how the antireflective coating does this? Lenses with anti-reflective coating are manufactured using an oxide coat which blocks light reflections which would otherwise cause glares, halos and reflections around light. High minus lenses with anti-reflective coating when hit with light, the reflections made usually look like rings which make the lenses appear thick thus reducing external and internal reflections of light. List the troubleshooting steps for a progressive lens wearer complaining of a narrow reading range and distorted peripheral vision? Take a square mirror about 7 inches square and make a dot at the center of the mirror using a marking pen Place the mirror between you and the patient on the dispensing table so that it is at the patients working distance. Place all necessary markings on the PAL lenses. Make a good adjustment after putting them back to the patient. With his head straight and a reading position, let the patient take a look at the marked dot made on the mirror Look back and forth into the mirror and the patient as they look at the dot. Observe if the patient is looking via the point circle or otherwise. The highest probability is they are not. With great care, mark with the use of the marking pen on the lenses where the patient is looking so that you can make PD requirements. (Bentley, Trevaskis, Woods, Guest, Watt, 2017). The mirror test is a useful diagnostic tool for progressive lenses. Describe the process of using it including the equipment needed? Using a square mirror that is about 7 square inches, make a dot at the center of the mirror using a marking pen Place the mirror between you and the patient on the dispensing table so that it is at the patients working distance. Place all necessary markings on the PAL lenses. Make a good adjustment after putting them back to the patient. With the patients head straight and at a reading position, ask them to take a look at the mirrors marked dot. Look back and forth into the mirror and the patient as they look at the dot. Observe if the patient is looking via the point circle or otherwise. The highest probability is the patient is not looking through the near point circle Carefully mark using the marking pen on the lenses where the patient is looking in order for you to make PD requirements. The requirements for this procedure is a mirror, lenses for making new markings on, and a marking pen. (Bentley, Trevaskis, Woods, Guest, Watt, 2017). Explain why it is considered more accurate than just checking the mono distance PDs for near vision alignment? The ophthalmologist has the ability to make keen observations of the eye and thereafter make conclusive PD requirements that totally minimize the margin of error if they use the mirror test. This is in contrast to the mono distance PD for near vision alignment whose margin of error is higher. This is because the ophthalmologist is neither able to observe the pupil directions nor the position of light on the pupil. The significant advantage of aspheric lenses Aspheric lenses eliminate unwanted magnification appearance that is common in the conventional spherical lenses used by hypermetropic patients. Among myopic patients, aspheric lenses eliminate minification, which is the converse of the magnification appearance of spherical lenses used by hypermetropic patients. What measurements must be taken when dispensing aspheric lenses and why is this necessary? A dispenser records all information provided by the lens manufacturer just in case the lens has to be remade in the occasion that problems arise. To avoid the off-axis power errors that are mainly caused by improper fitting, the ray of the optical axis has to go via the eyes center of rotation. This should be done by the dispenser placing the optical axis on the surface of the aspheric lens. Therefore, in every 2 degrees of pantoscopic tilt, there should be a 1mm drop in the lens whereby the optical centers of the lenses are placed vertically and horizontally but in a monocular way. A 5-year-old child requires spectacles. Their Rx is +4.00DS R L. No patching is required. Explain some of the difficulties you may face in meeting the needs of the child taking into account their wants as well as those of the parent? The parents may have the unfounded belief that wearing spectacles weakens eyes. This may be as a result of past experiences of friends or relatives who had complained after having a spectacles prescription from quacks or unexperienced ophthalmologists and optometrists. This should be a greater cause of alarm for the parents since reading spectacles prescription for a 5-year-old is quite rare, unless the child is myopic or hypermetropic. Studies have also shown that Chinese children have this belief too, that wearing spectacles contribute to the weakening of eyes. Care, therefore, has to be taken in order not to prescribe erred spectacles which lead to ocular disorders The child may complain of the weight of the spectacles. Even though the weight of spectacles is usually negligible, for a 5-year-old child, the weight might be overwhelming. However, they should adapt to wearing the spectacles after a while. The choice of the frame that the child or the parents may prefer prior to visiting the clinic may not be available. Since dissatisfaction is one of the leading causes for the negative attitude towards a certain type of spectacles prescribed, it is important to meet their needs by giving them a future date of when to collect their preferred spectacles with the specified frame of choice. The child may prefer spectacles that are beyond the cost that the parents are able to meet. Since children cant understand cost setbacks the parents are incurring, it would be very hard convincing the child to choose another cheaper type. What lens and frame choice will be suitable for the child given that they are only 5 years of age? The spectacles need to have a small frame in order for the lens thickness too to be as small as possible. Lens that are less thick tends to reduce the risk of peripheral vision that is blurred or distorted. Plastic frames have for long been the most suitable frames for children due to the fact that they are more durable than their metal counterparts. Plastic frames with spring hinges would be more advantageous as they reduce regularly adjustments that would be made as children are not very careful with spectacles. Given that the child will be reviewed every 12 months by the ophthalmologist, why is it necessary to remake the spectacles even if the Rx doesnt change? The pupillary distance will have changed since the child will be growing up, therefore, the need to remake the spectacles. If not corrected or remade, the spectacles would be sliding down their nose as they would not be fitting well with the childs developing nose. Due to the playful nature of children at this age, the lens may have scratches or the frame lose due to cracks, therefore the need to remake the spectacles if repairs and adjustments are not possible for the old spectacles. References Ropars, G., Lakshminarayanan, V., Le Floch, A. (2014). The sunstone and polarised skylight: ancient Viking navigational tools? Contemporary Physics, 55(4), 302-317. Bentley, S. A., Trevaskis, J. E., Woods, C. A., Guest, D., Watt, K. G. (2017). Impact of supervised student optometry consultations on the patient experience. Clinical and Experimental Optometry.
Wednesday, December 4, 2019
Comm Arts Essay Example For Students
Comm Arts Essay Underline the independent clause and double underline the dependent clause in each given sentence. (20 pats. ) finished reading the book that you loaned me. Our trip to Holland ended with a visit to the town where my parents were born. Before the day was over, made plans to see De. Because it was raining, we dies not go to the lake. Mr Bumble winks as if he knew a secret. Susan planned to remain in the country until he visa expires. The Peterson have lived in Seattle since was young. Driving a car is illegal it you dont have a license. Fred laughed until he gasped for breath, Fresh strawberries have a luscious taste when they are ripe. V. Identify the kind of the given sentences according to their structure. (10 pats. ) 1. Matthew had always wanted a dog of his own. One day he went to an animal shelter that offered all kinds of dogs for adoption 3. As he entered, Matthew his parents asking if he was sure that he had time in his busy schedule for a dog. 4. Matthew put the question out of his mind; he was intent on picking out a dog. Matthew finally chose a small brown bundle Of fluff With sparkling eyes and a gagging tail. . In the weeks that followed, Matthew sometimes felt that days were too short to do all that had to be done, but somehow he managed. Carefully. 7. He found that he needed to organize his time 8. He kept his grades up, played soccer, and wrote article for the school newspaper. 9. Giving the puppy plenty of water, food, exercise, and attention too time, but every minute was well spent.
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