Sunglasess Info

Basically, these sunglasses are defined as an ophthalmologic medical article made of frames and lenses, meant to diminish the amount of sunlight; however, they do not accomplish any sort of optical correction. Their main goal is to protect the wearer against excessive sunlight.

There are many instances that we pay exaggerated amounts of money for the name of the brand that made the sunglasses. As a rule, though, cheap or very cheap sunglasses are of lower quality and that happens primarily because a popular brand can’t afford to have its image sullied by selling low quality products. Even if sunglasses may seem better than nothing at all, the truth is far from that: interposing colored lenses between the eye and sunlight determines the physiological dilatation of the pupil. If the lens does not offer a sufficient protection, the fact is that more light enters the eye, including ultraviolet and infrared rays, which are harmful, through the dilated pupil.

Glasses, no matter their type, should also fit your physiognomy and be comfortable. In many cases, fashionable or trendy sunglasses may not match the physiognomy of the wearer, conferring to him/her a rather comical look. Even if sunglasses do protect 100% against UV, they cannot dampen the brightness of a water surface or of a road while driving.

Which is the best color for sunglasses, green, brown or yellow lenses? Green lenses are the most effective in absorbing UV and IR radiation, but they make violet, blue, orange and red hard to distinguish. Brown lenses absorb almost all UV radiation, and can be used in a moderately warm to cold environment, as they create a sensation of warm environment. Yellow lenses absorb UV rays, violet and blue light, and are preferred when hunting and driving in foggy conditions, but they are not useful against excessive light. Other colors (orange, purple, mauve) have no protective qualities but can be used for their trendiness factor nonetheless.