Guide to Eyeglasses

New lenses that change in shading

Trivex is a mid-index plastic that is also lightweight and durable. Now this material has been used to manufacture Definity progressive lenses by Essilor of America. The company claims that these new Definity lenses provide a wider view of distance vision as well as a better aligned intermediate vision. Currently these lenses are available in clear, Transitions IV photochromic gray or brown.

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Common issues of prescription eyeglasses

Some people think that eyeglass wearing makes the wearer rely on them. In fact, eyeglass wearing causes no permanent visual change. Based on the misconception, those people are not willing to wear eyeglasses when they just feel good with the vision. But in sometimes, their actual vision is burry, thus bringing more risk when they are driving on the highway, especially at night.

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