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Photokeratitis or ultraviolet keratitis is a painful eye condition caused by exposure of insufficiently protected eyes to the ultraviolet (UV) rays from either natural (e.g. intense direct or reflected sunlight) or artificial (e.g. the electric arc during welding) sources. Photokeratitis is akin to a sunburn of the cornea and conjunctiva.
Uncommon (understudied) Visual snow syndrome ( VSS) is an uncommon neurological condition in which the primary symptom is that affected individuals see persistent flickering white, black, transparent, or colored dots across the whole visual field. [ 7][ 4] Other common symptoms are palinopsia, enhanced entoptic phenomena, photophobia, and ...
Inuit snow goggles from Alaska. Made from carved wood, 1880–1890 (top) and Caribou antler 1000–1800 (bottom) Snow goggles ( Inuktitut: ilgaak or iggaak, syllabics: ᐃᓪᒑᒃ or ᐃᒡᒑᒃ; [ 1] Central Yupik: nigaugek, nigauget) are a type of eyewear traditionally used by the Inuit and the Yupik peoples of the Arctic to prevent snow ...
But some people don't want them, and if you're one of those people, we'll give you the bad news first: "Most people will benefit from glasses at some point in their life," says Dr. Michelle Holmes ...
Check out these smart famous glasses wearers: Researchers at the University Medical Center in Germany linked spending more time in school and People who wear glasses are smarter, study claims Skip ...
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.
A quarter of hospital patients who are unresponsive and don’t physically respond to commands may be doing so mentally, a new study found. The research relied on brain scans of the patients.
This article describes a work or element of fiction in a primarily in-universe style. Please help rewrite it to explain the fiction more clearly and provide non-fictional perspective. (April 2023) (Learn how and when to remove this message) Breaking Bad is a neo-Western crime drama franchise created by American filmmaker Vince Gilligan, primarily based on the television series Breaking Bad ...