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A Guide to Wearing EyeglassesSo you are pretty sure about what kind of frames to choose to suit your body type, but have you paid any attention to the lens coatings? They are an important aspect when your eye specialist prescribes glasses for you, apart from the lenses themselves. Lens coatings can improve the look and functioning of your lens as well.

If you use an AR or anti-reflective layer of coating, it erases reflections on both the sides of the lenses. Anti-reflective or anti-glare covering makes your lens invisible to ensure people are not distracted by reflections from the glasses and look at your eyes. This is especially useful for computer users or for those who need to drive at night. By using lens with an AR coating, you will avoid double images and cut out distractions.

Scratch-resistant coating

Another kind of coating is the hard or scratch-resistant one which protects your lens against damage or scratches. The plastic lenses look nice and are also very light, but they can get scratches quickly. The coating that is applied will make your lenses durable. Scratch-resistant lens coatings are sometimes not prescribed; they are optional so you will have to tell your eye specialist to apply the hard coating on the lens.

Glass lenses don’t require scratch-resistant coating because glass is pretty resistant to scratches. Anti-glare or AR coating is used for all kinds of lenses, but they are particularly useful for high-index and polycarbonate lenses. The aspheric variety of lenses has a flatter curve than normal lenses and cause more reflections; anti-glare coating is ideal in such a scenario.

Other kinds of coating

Another coating that is used a lot is the anti-fog layer which is used especially in cold climatic conditions. The coating helps you keep your lenses clear, and can be used on high-index and photochromic lenses.  Other coatings include a combination of varieties such as scratch-resistant, anti-reflection or ultra-violet. Another coating that is sometimes recommended is hydrophobic layer, which helps water drops to slide away from the surface of the lens.

Also, the coating helps lower distortions that could occur when you are walking with your glasses on, when it is raining. The coating also prevents formation of fingerprints or stains, making it easy to maintain the lens. Mirror coating is another type of protection that lowers the impact of brilliant sunlight. Such a coating is good for winter sports like skiing because snow can reflect a lot of light.

 

 

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