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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.
003429. In medicine, the caloric reflex test (sometimes termed 'vestibular caloric stimulation ') is a test of the vestibulo-ocular reflex that involves irrigating cold or warm water or air into the external auditory canal. This method was developed by Robert Bárány, who won a Nobel prize in 1914 for this discovery.
Closed-eye hallucinations and closed-eye visualizations ( CEV) are hallucinations that occur when one's eyes are closed or when one is in a darkened room. They should not be confused with phosphenes, perceived light and shapes when pressure is applied to the eye's retina, or some other non-visual external cause stimulates the eye.
Curb Your Enthusiasm features many celebrity guest star appearances, fictionalized to varying degrees. In August 2022, the series was renewed for a twelfth and final season, [2] [3] that premiered on February 4, 2024. [4] During the course of the series, 121 episodes of Curb Your Enthusiasm aired, concluding on April 7, 2024.
August 12, 2024 at 12:27 PM. When breaking, or breakdancing, made its debut at the 2024 Paris Olympics, the sport quickly had its breakout star, b-girl Raygun, a 36-year-old Australian college ...
As a result, the past weeks have become awash with lurid green, and fast. “It used to be that brands picked a color, but then it would be years before somebody associates that color with your ...
An afterimage is an image that continues to appear in the eyes after a period of exposure to the original image. An afterimage may be a normal phenomenon (physiological afterimage) or may be pathological ( palinopsia ). Illusory palinopsia may be a pathological exaggeration of physiological afterimages. Afterimages occur because photochemical ...
Cold showers may also improve mood and energy or mental alertness, which Dr. Rachelle Reed, an exercise physiologist in Athens, Georgia, has experienced, she said. “You sort of feel a little bit ...