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Do blue-light blocking glasses help prevent eye strain? A new review finds that the popular lenses don't help with eye strain, alertness or sleep.
Makers of blue-light-blocking glasses proclaim they can help reduce eye strain when looking at smartphones and computer screens for long periods of time. But an Australian-based study said these ...
️ Prescription lenses: Nearly all prescription glasses, from reading glasses to bifocals, can be filled by the best retailers with additional layers of blue light-blocking add-on coatings. If ...
The American Academy of Ophthalmology (AAO) does not recommend special eyewear for computer use, [13] [14] although it recommends using prescription glasses measured specifically for computer screen distance (depending on individuals, but possibly 20–26 inches from the face), which are not the same as "blue-light blocking" glasses. [21]
The efficacy of blue-blocking lenses in blocking blue light is not disputed, but whether typical exposure to blue light is hazardous enough to require blue blocking lenses is highly disputed. [38] One problem with the glasses is that they cannot achieve positive outcomes in blue-light hazard and sleep simultaneously.
While some blue blocking sunglasses (see above) are produced as regular sunglasses for exposure to bright sunlight, others—especially for macular degeneration patients—do not block light or other colors in order to function well in regular daylight and even dim sunlight. [27]
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