Sunglasses: How to Choose Your Lenses, Benefits and Risks

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For this reason, sunglasses must be manufactured in a workmanlike manner and comply with pre-established safety and quality standards.

Furthermore, ultraviolet rays trigger an excessive production of free radicals, responsible for the aging of cells and tissues (including eyes). Over time, this phenomenon can favor the progressive opacification of the lens (structure that filters and projects light on the retina). which can lead to the development of cataracts.Blue light - in the visible spectrum, bordering on UV rays - instead increases the risk of macular degeneration.