![]() ![]() ![]() By way of contrast, ultraviolet light is almost entirely absorbed by the front part of the eye, and significantly less than 5% of it reaches as far as the retina. ![]() Although blue-violet light has less energy than ultraviolet light, it is almost entirely unfiltered as it passes through the eye and reaches the retina. ![]() However, visible blue-violet light also has the potential to cause damage to our eyes. That is why people typically take precautions to protect themselves from the sun, using items such as sunscreen or a pair of sunglasses. The light that reaches and enters the human eye is divided into visible light, comprising wavelengths from 380 to 780 nm, and non-visible light, which includes light in the ultraviolet range (UV light) and the infrared range (IR light).Įxperts have been aware for some time that UV light can potentially damage biological tissue, such as our skin and eyes. ![]()
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