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    Critical Lens Essay

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    Critical Lens Essay Whenever someone performs a task, he/she can labor over it carefully, or do a rushed job. A student writing an essay describing the causes of the American Revolution, or a president proposing ways to end World War II illustrate two situations where both simple and complicated ways to address a problem exist. Writing a non-analytical response to the essay question would be easy to do. Likewise, dropping atomic bombs over cities, razing them and eliminating many people

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    Zoom Lens

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    Zoom lens are extremely common and highly beneficial.Most novice photographers will get the most value out of a high-end version of this lens type, since many are capable of obtaining several different levels of focal length from wide angle to zoom. The nature of an SLR camera makes it possible to visually see changes in depth, focus, and size through the viewfinder when taking a picture with a zoom lens. There are three main types of zoom lenses available

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    Optical Lens Processing

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    optometrist which states the needed lens power and pupil distance (PD). Lenses in the needed power are either ordered or taken from stock. These lenses come from the factory as uncut round blanks approximately four inches across. Edging is the process of cutting these optical lens blanks to fit frames, producing a pair of glasses. Equipment There are four pieces of equipment used in the lens edging process. A lensometer is used to check the power in the lens. The tracer is used to determine

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    High Index Lens Essay

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    The lens material used in high index eyeglasses bends light more efficiently than standard lens materials. This means that high index lenses require less material to do its job of correcting your vision, and results in thinner and therefore lighter lenses. However, this light bending property also comes with a less desirable one: high index lenses reflect more light than ordinary lens materials. Perhaps you might wonder what difference a little reflected light is going to make and whether it is

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    The Focal Length of The Lens in the Tube Plan I plan to set up the apparatus as shown below and change 'b'. To then make the image focus, I will have to change 'c'. When the image is focused, I will measure 'c' and also the magnification of the image. Using this information I will then be able to calculate 'a'. [IMAGE] Hypothesis ========== I predict that using the equations stated in the justification, after measuring values for 'c' and 'm'. I will be able to plot them on

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    Bionic Lens Essay

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    extensive research with $3 million in funding, an optometrist from British Columbia, Dr. Garth Webb of Ocumetics Technology Corp has developed a highly advanced intraocular lens -- “Ocumetics Bionic Lens”, in which Dr. Webb claims that it can give people age 25 and above 20/20 visions (Celebration). The implantation of bionic lens takes as little as eight minutes. During this “painless procedure”, the bionic lenses, made of

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    The Contact Lens

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    The Contact Lens When the contact lens was invented, the world of vision correction was altered forever. No longer were those people lacking perfect 20/20 vision forced to look any different than everyone else. Both discrete and revolutionary, the contact lens provided a brand new, viable, alternate solution to an age-old problem. After centuries of engineering and discovery the contact lens has evolved greatly. Presently contact lenses are made hard or soft, for daily or continuous wear,

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    Contact Lens Complications The last 20 years has seen a tremendous increase in the use of contact lenses. Despite the recent trend towards fashionable eyewear and the advances in refractive surgeries, there are still approximately 1 million Australians who are currently wearing contact lenses. This is partly because of the variety of lens materials, replacement schedules, specialty designs, and convenient contact lens care systems available today. While there are many benefits of contact lenses

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    of contact lens wearers globally. In one of the market statistics released in 2004, it was estimated 38 million contact lens wearer in United State (US) alone among 125 million worldwide with increasing numbers of new user each year. Given the large population currently wearing contact lenses worldwide, complications related to contact lens used need to be address seriously. The most important complication related to contact lens usage is microbial keratitis or also known as contact lens related corneal

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    The Tragedy of Romeo and Juliet Critical Lens Essay Someone once said, "All literature shows us the power of emotion. It is emotion, not reason that motivates characters in literature." This means that all literature is an expression of emotion and it is the emotion that is the main character, and often the setting and theme as well. It is not the reasoning within the story that draws you in, but rather how the story deals with the emotions we all have felt. It provides us with a possible

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