UV radiation is the main cause of blindness, so people who are concerned about their eye health try to wear sunglasses that block out as much of the sun's damaging rays as possible.
Square sunglasses are becoming a popular style for people who want to protect their eyes from UV Rays. Some scientists say that these sunglasses offer better protection than other types of sunglasses.
The square shape of the lenses blocks more UVA and UVB rays than round lenses. This is because it covers more area which allows for blocking more light. The lenses of square sunglasses are comparatively thicker which becomes another reason why they offer better protection from the harmful UVA and UVB rays.
Of course, it's always important to consult with your doctor before making any changes to your eyewear habits.

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