Sunglasses, as the name suggests, are used to shield the eyes from strong sunlight. Under sunlight, our eyes adjust the size of the pupils to adapt to changes in light. However, when the light is too strong, exceeding the eyes' ability to adjust, it can harm the eyes. At this time, sunglasses come into play, effectively reducing the stimulation of strong light on the eyes.
There are two main types of sunglasses: colored lenses and photochromic lenses. Colored lenses usually come in various colors, such as gray, brown, black, etc., providing the eyes with a rich visual experience. Photochromic lenses can quickly darken under sunlight, protecting the eyes from strong light damage.
Sunglasses are an important tool to protect the eyes from damage caused by strong light.
Functions Of Sunglasses
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