On eyeglasses: Introduction To Prescription Eyeglasses!By andriagoodman Eye problems are quite common around the world. There are several eye problems that demand a person to wear prescription eyeglasses. Among these, three very common eye problems that can be treated by wearing prescription are (a) Myopia or nearsightedness, the common symptoms of Myopia are blurred vision and helplessness to focus on distant objects. (b) Hyperopia or farsightedness, opposite of Myopia. The symptoms of Hyperopia are headache, eye fatigue after reading or watching television. (c) Glaucoma- the saturation of fluid on the retina. Glaucoma comes without any warning signs and it can cause loss of sight if left untreated. Hence, one should get his/her eyes checked up at least once a year for any eye problems. The strength of prescription is measured in dioptres. A normal prescription will contain spherical dioptre values, cylindrical dioptre values, Axis Value and any addition values. Some commonly used abbreviations in an eyeglass prescription are: DV = D.V. is an abbreviation for "distance vision". This specifies the part of the prescription designed primarily to improve far vision. NV = N.V. is an abbreviation for "near vision". This may represent a single-vision lens prescription to improve near work, or the reading portion of a bifocal lens. O .D. is an abbreviation for oculus dexter, Latin for "right eye." And O.S. is an abbreviation for oculus sinister, Latin for "left eye". (Some eyeglass prescriptions simply say "left" and "right" instead of "O.S." and "O.D.") The lenses of Prescription are manufactured from diversity of materials. Glass lenses (which was once upon a time the most commonly used material), it comes in several diverse colours and has ______continued. Interesting article on eyeglasses: Women Eyeglasses: Wear It With Style A wide variety of coatings can be applied to prescription lenses. An Ultra Violet coat protects the eyes from harmful UVA and UVB rays. A scratch resistant coating to the prescription reduces the chances of scratches on the lens due to normal day to day handling. The most recent type of coating is the anti-reflective coating. It reduces mirror images as it allows light to pass through the lens. People also get their prescription tinted with a wide variety of colours. Tints increase comfort in bright light situations, reduce glare from computer screens or fluorescent light, and make a fashion statement as well. Today, not only are prescription a necessity, but to some people they are a fashion accessory as well. Top designers like Giorgio Armani, Eddie Bauer, Calvin Klein have picked up this latest fashion trend and have started designing their own collection of frames for prescription eyeglasses. This article is written by andriagoodman working with Spec2vision which is an ONLINE SUPERSTORE who offers High quality Prescription Glasses at very very low prices. . Another decent article on eyeglasses: Introduction To Prescription Eyeglasses! Off-site
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