![]() HEV light has been implicated as a cause of age-related macular degeneration*.īlue-Turquoise 470 nm to 500 nm: Good blue light, which can be useful for various treatments such as sleep disorders and seasonal depression. In ophthalmology, high-energy visible light (HEV light) is high-frequency, high-energy light in the violet/blue band from 400 to 500 nm in the visible spectrum. 460 nm +/- 10 nm (glare caused by LCD displays, mobile displays, LED lights etc.): can cause melatonin suppression, increased alertness and increased heart-rate, which can lead to sleep disorders and heart conditions*. Blue-Violet 400 nm to 460 nm: Induced HEV light can cause retina damage, cell death, and lead to age related macular degeneration*. UV exposure can cause or speed up the development of cataracts. UV-Violet 100 nm to 380 nm: Very harmful to eyes. It is invisible to human eye and wavelengths on the lower end can be very harmful. Ultraviolet (UV) light spectrum is from 100 nm to 380 nm. Beyond the visible light which has shorter or greater wavelength, isn’t visible. ![]() Visible light (the light which is visible to us like violet, indigo, blue, green, yellow, orange and red) covers the wavelength of 380 nm to 780 nm. These facts are based on research studies, scientific journals and our experience as an eye care provider. Here are some facts about the effects of ultraviolet light and blue light on our eyes. RESEARCH ON BLUE LIGHT AND THE AFFECTS TO YOUR EYES HOW CAN BLUE LIGHT FROM DIGITAL DISPLAYS HARM OUR EYES AND CAN CAUSE DIGITAL EYE STRAIN, COMPUTER VISION SYNDROME, AND MACULAR DEGENERATION*? Cataract and Glaucoma Screening Management.
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