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Long-term contact lens use can lead to alterations in corneal thickness, stromal thickness, curvature, corneal sensitivity, cell density, and epithelial oxygen uptake, etc. Other changes may include the formation of epithelial vacuoles and microcysts (containing cellular debris) as well as the emergence of polymegethism in the corneal endothelium.
The yellow badge, also known as the yellow patch, the Jewish badge, or the yellow star ( German: Judenstern, lit. 'Jew's star' ), was an accessory that Jews were required to wear in certain non-Jewish societies throughout history. A Jew's ethno-religious identity, which would be denoted by the badge, would help to mark them as an outsider. [ 1]
Rash guard. Surfing "long-sleeves" rashguard. A rash guard, also known as rash vest or rashie, is an athletic shirt made of spandex and nylon or polyester. The name rash guard reflects the fact that the shirt protects the wearer against rashes caused by abrasion, or by sunburn from extended exposure to the sun, as sun protective clothing .
Originally blue-eyed, Dahmer would often wear bright yellow contacts before going to scope out gay bars for men to attack. Gisela K., author of "The Milwaukee Monster," explained that Dahmer was ...
Blue light, a type of high-energy light, is part of the visible light spectrum. High-energy visible light (HEV light) is short-wave light in the violet/blue band from 400 to 450 nm in the visible spectrum, which has a number of purported negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related macular degeneration.
Eccentricity effect. The eccentricity effect is a visual phenomenon that affects visual search. As retinal eccentricity increases (i.e. the light of the image enters the eye at a larger angle and approaches peripheral vision), the observer is slower and less accurate to detect an item they are searching for. [ 1]
The man on the left is wearing a shtreimel and a tallit, and the other man traditional Hasidic garb: long suit, black hat, and gartel. Jewish religious clothing is apparel worn by Jews in connection with the practice of the Jewish religion. Jewish religious clothing has changed over time while maintaining the influences of biblical commandments ...
Nazi concentration camp badges, primarily triangles, were part of the system of identification in German camps. They were used in the concentration camps in the German-occupied countries to identify the reason the prisoners had been placed there. [ 1] The triangles were made of fabric and were sewn on jackets and trousers of the prisoners.