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Poppers is an inhaled drug which contains a range of alkyl nitrites, such as isobutyl nitrite and amyl nitrite. [11] Despite its primary usage as a potent vasodilator , [ 11 ] its popularity among the homosexual community largely stems from its ability to facilitate anal sexual intercourse by relaxing the smooth muscles in the internal anal ...
Hazel eyes are due to a combination of Rayleigh scattering and a moderate amount of melanin in the iris' anterior border layer. [4] [35] Hazel eyes often appear to shift in color from a brown to a green. Although hazel mostly consists of brown and green, the dominant color in the eye can either be brown/gold or green.
Drug-induced pigmentation of the skin may occur as a consequence of drug administration, and the mechanism may be postinflammatory hyperpigmentation in some cases, but frequently is related to actual deposition of the offending drug in the skin. [2]: 125–6 The incidence of this change varies, and depends on the type of medication involved.
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One example of a pressure phosphene is demonstrated by gently pressing the side of one's eye and observing a colored ring of light on the opposite side, as detailed by Isaac Newton. [ 7 ] [ 8 ] [ 9 ] Another common phosphene is "seeing stars" from a sneeze , laughter, a heavy and deep cough, blowing of the nose , a blow on the head or low blood ...
The percentage of the population with green eyes may surprise you.
Her eye doctor discovered she had a detached retina — a serious condition where the light-sensitive layer of tissue pulls away from the back of the eye, according to the National Eye Institute.
Some drug-induced cases While the primary symptom of Cyanopsia is a blue tint to vision, the exact reasons why some individuals experience this phenomenon while others do not, remain unclear. Variations in retinal sensitivity, individual responses to medications, or differences in post-surgical adaptation may contribute.