June 21st, 2010 | Author: admin
Prescription Eyeglasses
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Perfect Solutions Golf Ball Finder Glasses $17.19 Golf Ball Finder Glasses make finding golf balls easier. Special lenses block out grass and foliage so lost balls actually appear to glow against the background. Reduces ball loss and saves money. Fits over most prescription eyewear. Complete with carrying case. Not meant to be used as sunglasses. 6 inches x 2 1/4 lens.... |
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US $9.99
The lenses used in sunglasses are very important to provide adequate protection for the eyes. With advances in manufacturing technology of glass, different types of lenses used in glasses. Every type caters to different needs. You have to know about the glass lenses to choose for your purpose.
The lenses are made of plastic or glass. Plastic lenses are made of lightweight plastic material can be dyed different colors to your liking. They block 80% UV rays, thus providing good protection against the sun. Glass lenses are more prone to scratches, but have excellent optical quality inherent.
Polycarbonate lenses are widely used in sunglasses these days. They provide 100% sun protection. They are very light and do not break easily. Polycarbonate lenses are perfect for glasses and sports sunglasses children as they are resistant to scratches.
High index lenses are made of high index plastic material. They are widely used for cosmetic purposes, as they are very thin. Like polycarbonate lenses, High index lenses provide 100% protection from harmful sun rays. High index lenses must have anti reflective coating as the increase in surface reflections with the increase in the index of the lens.
Aspherical lenses are best suited for people who need glasses high prescription. In this type of objective lens thickness is evenly distributed compared with conventional lenses. Thus, they offer a clear vision and give an elegant look. For vessels lightweight aspheric lenses are made with high-index material.
Photochromic lenses have the property to control the light entering the eye, regardless of the conditions prevailing outside. When alternating between inside and outside you have to select the lenses to reduce stress in the pupil of the eye.
S polarized lenses are ideal for outdoor enthusiast. Greatly reduce the reflection on the removal of the rays due to reflection from the flat surface. These lenses can be used when engaged in driving, golf, skiing, etc. Any glass should provide protection against harmful UVA and UVB rays of the sun. When leaving the eyes exposed to the sun disk. So make sure your lenses are suitable UV coating.
If the lens is made of polycarbonate plastic or high index, then you do not have to worry about UV protection and block these materials inherently the sun. When you want your conventional lenses look thinner and lighter weight than you can consider using high-index aspheric lenses or plastic lenses. The use smaller frames can also be added to the style.
Scratch resistant coating (SRC) is crucial for all glasses to avoid getting scratched lenses very often. Polycarbonate and high index lenses come with this coating SRC by default.
Coating anti-reflective (ARC) is essential for certain types of high-index lenses, such as plastic to reduce reflective rays. Glasses with this coating eliminates glare caused while driving at night and staring at the computer. But the glasses have the ARC are likely to zero and thus ARC and SRC are mutually exclusive. You can not have both layers in the same lens. To improve the look and see the world in your favorite color, you can add nuance to their lenses. Many adults are dyeing their lenses with their favorite colors. Tints can be applied effectively to the plastic lenses. The dye is absorbed evenly in the plastic lenses. Glass lenses can not be tinted so uniform and are more difficult to dye.
High index plastic lenses are easier to dye polycarbonate lenses. Lenses that have layers, as ARC and CRS can not be tinted as the color is not uniformly applied across the layer. If you want to dye, then you should remove the layers of the lens tint and reapply the coating. Shades can add style to your glass, but make sure that your lenses provide UV coating to protect your eyes. More than a fashion glasses, glass in you must provide a clear and adequate protection for your eyes.
Status Eye Care are Opticians In Mumbai, India expert in Despensing Products like Hi-Index Lenses, Progressive lenses, Polarized lenses, Transition Lenses, Prescription Sunglasses, Designer Sunglasses, Contact Lenses and Much More. Sunglasses India is Online venture from Status Eye Care where you can Buy Latest Designer Sunglasses, Fashionable Eye Glasses, Contact Lenses and All kind of Optical Products Online. Visit http://www.spectglasses.com to buy Latest Designer Sunglasses Online.
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