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Rheum from a cat's eyes. Rheum (/ r uː m /; from Greek: ῥεῦμα rheuma 'a flowing, rheum') is a thin mucus naturally discharged from the eyes, nose, or mouth, often during sleep (contrast with mucopurulent discharge). [1] [2] [3] Rheum dries and gathers as a crust in the corners of the eyes or the mouth, on the eyelids, or under the nose. [3]
8.7% global prevalence in 2020 [ 2] Macular degeneration, also known as age-related macular degeneration ( AMD or ARMD ), is a medical condition which may result in blurred or no vision in the center of the visual field. [ 1] Early on there are often no symptoms. [ 1] Over time, however, some people experience a gradual worsening of vision that ...
Retinitis pigmentosa (RP) is a genetic disorder of the eyes that causes loss of vision. [1] Symptoms include trouble seeing at night and decreasing peripheral vision (side and upper or lower visual field). [1]
Wetback (slur) Mexican immigrants packed onto a truck for deportation in Operation Wetback (1954). Wetback is a derogatory term used in the United States to refer to foreign nationals residing in the U.S., most commonly Mexicans. The word mostly targets illegal immigrants in the United States. [ 1] Generally used as an ethnic slur, [ 2] the ...
Nocturnal emissions happen after stressful dreams in REM sleep which activate the sympathetic nervous system hence leading to ejaculation. [ 1] Nocturnal emissions can start as early as age nine [ 2] and are most common during adolescence and early young adult years, but they may happen any time after puberty.
Dry eye syndrome. Dry eye syndrome, also known as keratoconjunctivitis sicca, is the condition of having dry eyes. [ 2] Symptoms include dryness in the eye, irritation, redness, discharge, blurred vision, and easily fatigued eyes. Symptoms range from mild and occasional to severe and continuous. [ 3]
voertsek, voetsek – get lost, buzz off, go away, run, scram, stuff off, bugger off (it can be considered rude, depending on the context) – usually used when referring to an animal. From the Dutch "vort, zeg ik" – used with animals, meaning "Go away!" or "Get moving". Voetsek is considered to be far more assertive than its English ...
Entoptic phenomena (from Ancient Greek ἐντός (entós) 'within' and ὀπτικός (optikós) 'visual') are visual effects whose source is within the human eye itself. (Occasionally, these are called entopic phenomena, which is probably a typographical mistake.) In Helmholtz 's words: "Under suitable conditions light falling on the eye ...