What To Know Before Buying Sunglasses

What To Know Before Buying Sunglasses

What To Know Before Buying Sunglasses

The properties like, broad spectrum protection, lens color, frame shape are all the important benefiting characters of sunglasses. It is important to know that when choosing sunglasses the primary objective is and should always be protection from ultra violet rays. UV protection is very beneficial; as if this is not taken care of they cause damage to eyes. Cataracts are the most commonly occurring effect of UV rays, degeneration of retina and sometimes sunburn even. The eye area of skin is the most delicate part and it should be given more attentio, this is why special concern should be given when buying sunglasses online.

When people go for buying sunglasses no special concern is given whether they are suitable for your eyes or not, they usually check whether they are suiting their facial shape or are they in vogue. Some glasses disfigure images and people do not mind this, substandard glasses have this characteristic, so watch out when your buying sunglasses online, also look out for Spy Sunglasses online, which can video what you see from your sunglasses!

This causes blind spots in the ocular field, and some people feel dizzy when they remove glasses, according to American optometry association, sunglasses should:

Block 99 to 100% ultra violet A and Ultra violet B radiations, for this you can look at the label identifying UV protection.

Screen out 75 to 90% visible light. Fashion tinted lenses do not meet this level mostly.

Perfectly match the color and free of distortion.

Lenses in gray green or brown, gray is mostly recommended.

Wrap or cover the eye area completely in order to prevent UV rays reaching the eye and its surrounding delicate area.

The lens color is often neglected. This should be known that range of every color is beneficial their own way. It is observed that yellow lens provide most efficient protection, while the highest resolution is extended by copper-colored lenses. VLT or Volume of light transmission is the other aspect which should be checked. It should always be 18 to 27%, this is a good range for sunglasses on a very bright sunny day. If the range is below this percentage the shades will give low visibility. If this is so, then you are getting low defense against UV rays.

Wearing sunglasses have a lot of benefits especially to those in sports. One should always go for the light weight pair. Wearing glasses should not b like you are carrying a heavy load on your face and ears, it should be like not wearing anything. Sports glasses have tendency to fall off the face, so do check this carefully. Last but not the least, examine the lens type, the spherical de-centered lenses gives the best clarity.

They are made of thinner material and are lighter and are considered to the most preferred kind of lenses. Also check blue light blocking performance when buying such sunglasses. Besides protection the sunglasses should give you comfort and it should not be like your eye feel tired after wearing a sunglasses. In case your eyesight is weak you should get your lens adjusted from the optician to get the needed comfort from them.

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