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"Blue light glasses can help as computer glasses, especially if they also have a computer distance prescription built into them," Dr. Kelley explains. "The prescription can help your eyes focus ...
Sellers of the glasses, which come in prescription and non-prescription varieties, claim they help keep the eyes healthy, reduce eye strain, improve visual performance, and even help people fall ...
While researchers found no notable benefits to blue-light glasses, they didn’t find any key harmful consequences of using them either (besides the potential headaches and discomfort associated ...
Corrective lens. A pair of contact lenses, positioned with the concave side facing upward. A corrective lens is a transmissive optical device that is worn on the eye to improve visual perception. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia.
An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist, that specifies the value of all parameters the prescriber has deemed necessary to construct and/or dispense corrective lenses appropriate for a patient. If an eye examination indicates that corrective lenses are appropriate, the prescriber generally ...
Computer vision syndrome. Computer vision syndrome (CVS) is a condition resulting from focusing the eyes on a computer or other display device for protracted, uninterrupted periods of time and the eye's muscles being unable to recover from the constant tension required to maintain focus on a close object.
Pinhole glasses, also known as stenopeic glasses, are eyeglasses with a series of pinhole-sized perforations filling an opaque sheet of plastic in place of each lens. Similar to the workings of a pinhole camera, each perforation allows only a very narrow beam of light to enter the eye which reduces the size of the circle of confusion on the ...
“Cover your eyes with the solar filter before looking at the sun, and turn away from the sun before removing the solar viewer. Do not remove them while looking at the sun.”
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