The sunglasses are not just a fashion accessory. They must be really high quality glasses that actually protect your eyes from ultraviolet radiation from the sun. Otherwise, the pupil, “deceived” by the glasses, not shrinking from the light and the eye receives an additional dose of radiation, which can gradually lead to retinal burns or even blindness. Best forget about cheap (Chinese) imitations! Choose between glass and plastic lenses with varying degrees of shading and color of glass. A choice of frame depends on the shape of your face. If you do not feel prepared to make the choice yourself, consult an ophthalmologist or consultant in the shop recommended and offers the following criteria to comply with the choice of sunglasses.
Glass or plastic?
Glass lenses provide guaranteed protection from ultraviolet radiation and does not scratch (of course if you do not try and rub them with another example, glass or metal). Plastic is lighter and thinner, but modern coatings also allow them to be very resistant to scratches. However, let’s not cajole ourselves – even the plastic and the quality needs careful handling.
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