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The claims are that exposure to blue light coming from devices can affect eye health, ranging from strain to potentially blinding consequences from diseases like age-related macular degeneration ...
Blue light, a type of high-energy light, is part of the visible light spectrum. High-energy visible light (HEV light) is short-wave light in the violet/blue band from 400 to 450 nm in the visible spectrum, which has a number of purported negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related macular degeneration.
See explains. "As we get older, our lenses are less flexible. This is why people in their 40s start needing reading glasses. Some blue-light glasses also include a plus lens to help bring your ...
The incidence of age-related macular degeneration and its associated features increases with age and is low in people <55 years of age. [100] Smoking is the strongest modifiable risk factor. [101] As of 2008, age-related macular degeneration accounts for more than 54% of all vision loss in the white population in the US. [102]
Blue light has also been blamed for eye strain and discomfort. As a result, people have been shelling out for blue light-filtering spectacles in hopes of snoozing in peace and reducing visual fatigue.
Fundus photography involves photographing the rear of an eye, also known as the fundus. Specialized fundus cameras consisting of an intricate microscope attached to a flash enabled camera are used in fundus photography. The main structures that can be visualized on a fundus photo are the central and peripheral retina, optic disc and macula.