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Articles about diopters (0-42 of 42)

  • Understanding Your Contact Lens Prescription
    By: Adrianna Noton | - Usually, when you find out that you need corrective lenses and choose contacts to fix the problem, you get your prescription from the eye doctor, get it filled and go on with your day. Not many people are actually interested in understanding all the different terms and what they mean when it comes to their contact lens prescription. Of course, it isn't completely necessary to understand the prescription as the experts are more than willing to take care of your needs, but having more knowledge ab ...
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  • Buy Your Prescription Glasses Online This Winter
    By: plasticopticalframes | -

    So you've decided that since it's freezing outside it's that time of the year when snuggling up in front of a log fire with a warm cuppa and good book seems like the most logical thing to do but as you sit down you hear a loud 'crack' and see that you've shattered your glasses! The last thing you feel like doing is going out to get new glasses but you need not fear as now you can buy prescription glasses online.In the past obtaining high index prescription glasses online ...

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  • What Type Of Lens Is Rayban Using On Their Sunglasses
    By: plasticopticalframes | - Ray-Ban uses four different types of lenses for their sunglasses. The B15 XLT lens, the G15 XLT lens, polarized lenses and normal lenses, which we won't discuss here because there's nothing special about them (they just come in different colours).B15 XLT LensRay-Ban B15 XLT lenses are brownish in colour, block 100% of all UV rays and allow only 15% of the visible light to pass through them (that's an 85% reduction!). These brown lenses also offer a bit more contrast by cutting down on the amount ...
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  • Understanding Optical Terms
    By: Hillary Glaser | - When you leave the eye doctors office, does it often feel like he or she has thrown so much optical lingo at you? If youre confused by the terms tossed at you by your ophthalmologist or optometrist, you are not alone. Many eye doctors forget that as population, most of us didnt go to medical school and dont have optical training. The words they throw at us like nearsightedness and farsightedness generally mean nothing to us and just leave us feeling confused and silly after our exam. ...
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  • Why Do We Need Eye Glasses?
    By: Orson Dixon | - Eye glasses are frames bearing lenses that are meant to be worn in front of the eyes in order to correct vision. Eyeglasses are also worn to protect eyes from flying articles and radiation. Sunglasses are specially designed to allow better vision during dazzling daylight and to protect eyes from high levels of solar UV rays.

    Eye glasses have been in practice since a very long time and will always be. Despite the mounting popularity of contact lenses and other eye surgeries, eye gla ...

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  • Top Providers Of Lighted Magnifying Lamp
    By: Rudy Silva | - A lighted magnifying lamp makes scrutiny efficient and easy. Such is especially true if you collect items such as coins and stamps, or repair watches, design jewelry, or read a lot. A magnifier lamp prevents strain on your eyes as you strive hard to see through tiny objects or understand through small letters on a pocket book.

    A light magnifier does not only increase - yes, it does enlarge objects and characters -- the size of what you are trying to scrutinize at. It also illuminate ...

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  • Ortho K - Your Ultimate Guide
    By: Andrea Rodham | - Perhaps, one of the greatest gifts mankind has received is the ability to appreciate things that surround them through the eyesight. But what if you have an eye problem that obstructs your right to be pleased about the things you see. If you have been dealing with nearsightedness, now is the time to open your eyes for a technological breakthrough called ortho k or orthokeratology that is widely available in the country.

    Orthokeratology works when you are sleeping. You just need to w ...

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  • Buying Your First Pair Of Glasses? Advice You Need Now
    By: Larry Milton | - Getting your first pair of glasses is a lot like getting your first car. You want to find something that fits right and that looks amazing.

    Many children are taken to an ophthalmologist when they start to have problems seeing in school, but some people never need glasses until they become adults. Whether youre a child, a teen, or an adult, getting your first pair of glasses can seem like a daunting task. There are so many things to learn, and how can you be sure that youve go ...

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  • Finding Contact Lenses For Astigmatism
    By: William F Gabriel | - Many consumers are under the impression that due to astigmatism, they are unable to wear contact lenses. This is a myth. Unless it is extreme, most astigmatism can be treated with the conventional method; eyeglasses or corrective contact lenses.

    A prescription for astigmatism contains three main parts instead of one. The first part indicates your main spherical correction. Part two shows the extent of the astigmatism in diopters, and part three contains the measure of the axis. Ma ...

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  • It"€™s Essential To Interpret Prescription Correctly While Buying Glasses Online
    By: Exclusiveeyes | - Online stores selling prescription glasses have become the preferred destinations for many buyers. These online stores have a huge collection of prescription glasses covering the widest range of colours and designs. But irrespective of your choice, you will need to provide your prescription details while putting your order. A clear understanding of how to read a prescription can help you in this case.

    The world over doctors use a standardised format, which makes interpreting the pr ...

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  • Eye Exams Nyc Ny: Eye Doctor
    By: sdgreen912 | - Eye Exams NYC

    Routine eye exams are absolutely essential in not only maintaining clear vision but to also protect the health of your eyes. Eye examinations give our specialists an opportunity to detect and inform you about eye disorders such as glaucoma, cataracts, diabetic retinopathy and Pterygium as well as report on general health conditions such as diabetes and high blood pressure. To allow proper treatment, early detection of eye conditions is critical.

    An eye exa ...

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  • Spectacles Are Usually Called Glasses Or Eyeglasses.
    By: Farid | - Glasses are worn in front of the eyes for vision alteration, or eye protection. Sometimes glasses are used to guard the eyes from UV rays.

    The current day glasses are supported with pads on the bridge of the nose. Usually the temple arms are sited over the ears.

    Eyeglass lenses are mostly made of plastic. But occasionally they are made of glass too. The plastic which lenses contain CR- 39 and polycarbonate. These materials are quite suitable for sunglass lenses since th ...

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  • Essential Information About Transitions Prescription Eyeglasses
    By: Beatrices | - Transitions prescription eyeglass is also called sensitive photochromic lens, which is able to change the color of the lens according to the power of the sunlight. The color of the lenses can be grey, brown, red and blue, etc.. There are lenses of no color as well. Grey ones are popular, for as a neutral colour, grey is thought to affect the original color in vision least. What's more, grey transition glasses shade sunlight well. Here below are some essential information about transitions presc ...
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  • Netra : A Thermometer For Visual Performance
    By: craigsilcoix | - This month, a new device out of MIT Media Lab's Camera Culture group utilizes one of the most rapidly proliferating technologies in the developing world mobile phones to make the diagnostic process of refractive errors of the eye, including nearsightedness, farsightedness, astigmatism, and age-related vision loss, both affordable and accessible to underprivileged populations. NETRA (Near-Eye Tool for Refractive Assessment) uses a phone's LCD display and intelligent software to administe ...
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  • Understanding Your Prescription Before Buying Prescription Glasses
    By: Exclusiveeyes | - With the rising use of prescription glasses, online stores are becoming the hotspots for buying cheap eyewear. The choice of prescription glasses offered by these online stores is diverse and displays a milieu of colour combinations. But at all these stores, you have to put in your prescription details so that the lenses can be made according to them. In this scenario, the knowledge of what your prescription means, can prove to be of great help. Though the prescription might look confusing, it i ...
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  • Digital Photography For Beginners - How To Make The Most Of The Larger Than Life World Of Macro!
    By: Paul Summers | - Macro photography can be fascinating, viewing tiny subjects up close and personal yet larger than life. You could capture the image of a small creature in its entirety, like a caterpillar, or just partially, such as a butterfly's wings. You can study diminutive subjects in a way that is impossible with the naked eye. You observe the subject frozen in time and in minute detail. Seen this way, you will be astonished at subjects you encounter everyday yet never consider interesting. There are many ...
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  • Why Choose Contact Lenses Over Glasses
    By: Dominic Donaldson | - There are a plethora of benefits attached with wearing contact lenses and people who choose glasses over contacts definitely do miss out on the benefits and ease of use being provided by the contact lens manufacturers nowadays. Many glasses-wearers would not know that thanks to some breakthrough technologies in the contact lens industry; contacts today are highly affordable, easy to maintain and require its wearers to be a lot less cautious. Plus, contact lenses nowadays also come in all sorts o ...
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  • How To Read Eyeglass Prescriptions
    By: Jay Furlong | - According to the US laws, patients are entitled to get the prescriptions of their eyes after paying for the eye examinations. With such a valid and updated prescription, eyewear customers can resort to any other resources for prescription eyeglasses. They are no longer limited to buy corrective spectacles from eye care practitioners. Without seeing an eyeglass prescription, some people may wonder what kinds of information are described. But another problem is that many people can not understand ...
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  • Bifocal Safety Glasses Metal Frame With Proper Powers
    By: Luna Moonfang | - It is estimated by the National Institute of Occupational Safety and Health that there are about 2,000 individuals in the United States suffering workplace eye injuries every day. Most of them are serious enough to require medical interference. This big concern causes safety eyeglasses to be a necessity for those involved workers. There can be flying debris striking an unprotected eye. And a worse case can be chemicals or liquids splashing the eyes. In addition, for individuals who have presbyop ...
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  • What Is Astigmatism?
    By: WebEyeCare | - Although astigmatism is the most common vision problem, most people, don’t quite understand what that is.  Astigmatism is usually caused by irregularly shaped cornea, causing the eye to focus an object on two different points of the retina.  For the cornea to bend light correctly, it should be dome-shaped, like a basketball. Astigmatic corneas are shaped more like a football. This causes a distorted view when looking at objects which are close-up and far away.   Pe ...
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  • Factors To Consider While Buying Men Reading Glasses
    By: Jay Furlong | - Reading eyeglasses are needed by most individuals in their 40s as well as the older groups. The related visual problem is widely known as presbyopia. Folks bothered by this vision defect would have difficulty in seeing objects close up. In an unusual way, they always try to hold reading materials at an arms length away. Quite a few daily affairs would be affected, such as reading newspapers, books, writing, sewing and so forth. It can be very disappointing once caught by presbyopia. In some c ...
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  • Ortho-k Surgery
    By: Jay Furlong | - It is one of the most precious gifts for human to be able to appreciate what they see around them. Those who cant see or see clearly because of eye diseases would miss so many beautiful scenes in the world. However if you have an eye problem that stops your to be pleased with the beauty, you may consult orthokeratology, also called ortho-k which is used throughout the country.

    Ortho-k works at night when you are sleeping. You just need to wear the special contact lenses which gra ...

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  • Refractive Surgery Eliminates Glasses For Many Astigmatic Patients
    By: Dr. Andrew Caster | - Thanks to continued advances in laser eye surgery, refractive surgery tools and techniques, glasses and contact lenses are fast becoming obsolete for many patients with astigmatism. Patients with undetected astigmatism often experience headaches, fatigue, eyestrain and blurred vision at all distances. Because astigmatism may not be recognized as the cause of these symptoms, this condition may go undiagnosed and continue to affect sufferers. Astigmatism can also be present in children, affecting ...
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  • Introduction Of Myopia
    By: Luna Moonfang | - Myopia, commonly known as nearsightedness, is the most common eye problem in this industrial world, which is a big concern for people worldwide. The research shows one out of four Americans has myopia. The symptom is people can see clearly at a certain distance, but when the object is a little far away, the vision will become blurred. That is because the light from distant object can not focus on retina, but in front of the retina. One fact is though myopia is a worldwide eye disorder, we have t ...
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  • Forget Glasses Use Contact Lenses
    By: Marie Chrismer | - Are you bored with your filthy, colorless, rigid and heavy spectacles? Then, you can supplant those shabby glasses with contact lenses. In todays globalize society; what we need is speed and a perfect valor to do something rare and important. Spectacles are to some extent backdated, essentially lacks the sprit of a modern world. The use of contact lenses is current and modern, and thus suffices the present requirement, with an elegant style. Todays unhealthy life style propagates damaging ...
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  • Vision Problem - Use Contact Lenses For Accurate Vision
    By: Marie Chrismer | - Now days with the speedy social core, man has seriously been involved in its affairs and consequently gets the vision problem. One reason may be his way to lead his life in a carefree way, working continuously with out halting for a moment.

    There are huge catalogues of ailments regarding your eyes. The two most important are Myopia and Presbyopia, generally known as near and far sightedness. These ailments generally effect your sight and the distance of the object.

    My ...

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  • Accommodation For Near-vision In Lasik And Cataract Eye Surgery
    By: John Suson | - Accommodation is a function of the eye which has long been overlooked in eye surgery because we just have not had the technology to do anything about it. The term accommodation refers to the ability of the eye to change focus from things that are very far away, like when we are driving, to things that are very close up and small, like reading or threading a needle.

    If you have used a camera before, you have probably been aware of hearing the auto focus feature or noticed the lens ...

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  • Keep Sharp And Protect Vision By Prescription Eyeglasses
    By: Globaleyeglasses | - Eye is a very important and complicated part of our body. It is very important for everyone to take proper care of their eyes. Normally the problems with eyes are very gradual, so it is not realized easily. Its often at work that people begun to realize they have a problem.
    We help you to get informed about eye problems including symptoms, treatment, causes and diagnoses.
    Eye glasses are used for many reasons; some of them are to adjust the problems of vision, to make your ...

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  • The Ins And Outs Of Buying Reading Glasses
    By: Astonish Reviews | - Thanks in part to aging baby boomers, readingreadingreading glassesglassesglasses have become a huge business for eyeglass makers. With a huge percentage of the population experiencing presbyopia, the loss of ability to focus on objects close up, people are relying on readingreadingreading glassesglassesglasses more than ever. There are many things to consider when buying readingreadingreading glassesglassesglasses -- the most important being your specific condition and what you need to use read ...
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  • Finding Good Auto Parts At Junkyards
    By: Astonish Reviews | - Thanks in part to aging baby boomers, reading glasses have become a huge business for eyeglass makers. With a huge percentage of the population experiencing presbyopia, the loss of ability to focus on objects close up, people are relying on reading glasses more than ever. There are many things to consider when buying reading glasses -- the most important being your specific condition and what you need to use reading glasses for.

    There are two main ways to purchase reading glasses: ...

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  • There Is Vision After Cataract Surgery
    By: Jay B Stockman | - The evolution of cataract surgery has changed significantly over the years. It began with simply opening a large wound to remove the cataract, and then closing the hole leaving a void where the natural lens was. The only way a patient could then see was with the aid of very thick post surgical eye glasses. Eventually, contact lenses were developed that would correct the high power required to permit these folks to see well after surgery.

    With the invention of the post cataract im ...

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  • New Lens Implants Can Correct Astigmatism After Cataract Surgery
    By: Jay B Stockman | - Cataracts are a clouding of the natural lens in the eye. The lens becomes yellow or opaque preventing light and images from reaching the retina. They most frequently affect older patients, but may appear in younger individuals as well. While the most common type of cataract is age related trauma, oxidative stress caused by drugs, poor diet, environment, and disease or congenital issues may precipitate lens opacities in younger folks. Over the years, surgery to correct this common vision problem ...
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  • Prescription Eyeglasses
    By: Deven | - Prescription Eyeglasses

    Eye problems are quite common around the world and in the United States alone, there are more than 160 million people who wear prescription eyeglasses. But still, the awareness about the eyeglasses and factors like strength of the eyeglasses and other factors related to the technicalities. This article, is therefore intended to provide you with more information on prescription eyeglasses and the resources on it. To begin with, the strength of prescription e ...

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  • Advantages Of Contact Lenses Over Glasses
    By: S. Geetha | - The functional advantages of contact lenses over glasses can be felt in areas like sports, working in humid conditions and also in occupations where glasses can be very inconvenient and may not be compatible when using equipment like special headgears. Contact lenses also offer aesthetic advantages as they do not alter the image of the person wearing it.

    When contact lenses are worn correctly on the cornea of the eye, the vision is very similar to the natural vision. The objects ...

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  • Contact Lenses 101
    By: Taylor | - Contact lenses are a great alternative to glasses. Many people who live an active lifestyle have enjoyed the ease and convenience of contacts now for many years. Today, there is an extensive choice to best fit your need.
    Contacts now have so many options; it may seem a bit overwhelming to find the right pair for you. In truth, there are a few things you should know when shopping for contacts. But when done right, you will find much better prices and varieties than your optometrist could p ...

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  • Everything Old Is New Again: Rebuilding Your Vision
    By: Michel | - Glasses, contacts, or surgery. These are the usual choices offered to those of us with bad vision. Orlin Sorensen, though, needed an alternative. A commercial airline pilot who found himself in jeopardy of being downsized after the 9/11 tragedies, Sorensen decided to go for broke and pursue his lifelong dream of becoming a Navy fighter pilot. The only catch was that Navy fighter candidates were required to have near-perfect, uncorrected vision -- no surgery allowed.
    As for so many who see ...

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  • Laser Eye Surgery Questions And Answers
    By: Alex Rider | - Laser eye surgery is gaining in popularity all the time. Although quite frightening to some people, this corrective eye procedure is very safe and effective. Some common questions and answers associated with such surgical procedures are posed in this brief article.

    Q: How safe is laser eye surgery?
    A: Similar with other forms of surgery, eye surgery does have potential risks that you should be aware of. The exact success of surgery is impossible, what is done is that an acc ...

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  • The Physics Of Contact Lenses
    By: Michael Wright | - Contact lenses are used for vision correction and are placed on the cornea of the eye. They do the same corrective function that conventional spectacles, or glasses, do. However, in comparison, they are very light in weight and are, for all purposes, invisible. Contact lenses help form the image on the retina of the eye by either converging or diverging the rays of light entering the eye.

    Earlier contact lenses were made of glass, and were scleral lenses. Scleral lenses are large ...

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  • The Different Designs Of Contact Lenses Available
    By: Michael Wright | - Contact lenses have been a boon for people with vision disabilities. They became popular in the United States in the early 1970s, and since then, have caught the fancy of people worldwide. Today, there are prescription contact lenses, as well as contact lenses for cosmetic purposes. There are a number of contact lenses available with different designs for various vision disabilities.

    Soft Contact Lens Designs

    There is a particular soft contact lens design available ...

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  • The Advantages Of Contact Lenses Over Glasses
    By: Michael Wright | - Contact lenses are optical medical devices, just as spectacles are, and often provide cosmetic and optical advantages over them. The more than 35 million people in the United States who have opted for contact lenses over the use of glasses have done so because of their convenience, and cosmetic value. Many people initially feel discomfort when starting to use contact lenses, but the benefits of using them far outweigh these minor discomforts.

    The Short History Of Spectacles
    ...

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  • Nine Important Questions To Ask Your Eye Surgeon
    By: Cinneide | - Generally speaking, LASIK is a safe and efficacious refractive surgery procedure and the choice of millions. With the technologically advanced and sophisticated equipment at its disposal, LASIK is safer than ever. But, it's a surgical procedure all the same. And the success of any surgical technique depends as much on the equipment as it does on the finesse of the surgeon.

    Thus it is imperative that you ensure that your chosen surgeon is an expert in the field with loads of experie ...

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