The function of sunglasses

Release time:

2023-01-17

Ultraviolet rays can damage the cornea and retina, and high-quality sunglasses can completely eliminate ultraviolet rays.

1. Prevent ultraviolet rays from sunlight

Ultraviolet rays can damage the cornea and retina, and high-quality sunglasses can completely eliminate ultraviolet rays.

2. Avoid strong light exposure

When the eye receives too much light, it naturally shrinks the iris. Once the iris shrinks to the limit, then people need to squint. If there is still too much light, such as sunlight reflecting off snow, it can damage the retina. High-quality sunglasses can filter out up to 97% of light entering the eye to avoid damage.

3. Prevent glare exposure

Certain surfaces, such as water, reflect a lot of light, and this creates bright spots that can confuse vision or hide objects. Good sunglasses can completely eliminate this glare using polarizing technology, which we'll get to in a bit.

4. Eliminate light of a specific frequency

Certain frequencies of light blur vision, while others enhance contrast. Choosing the right color for your sunglasses will make it look better in a given setting.

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