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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.
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.
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.
Abundant visible light to the eyes gives health benefits through its association with the timing of melatonin synthesis, maintenance of normal and robust circadian rhythms, and reduced risk of seasonal affective disorder. [10] On the negative side, UV is a mutagen and carcinogen for skin.
Blonde on Blonde is the seventh studio album by the American singer-songwriter Bob Dylan, released as a double album on June 20, 1966, [4] by Columbia Records.Recording sessions began in New York in October 1965 with numerous backing musicians, including members of Dylan's live backing band, the Hawks.
Lester Frank Ward wrote the early paper: "Eugenics, Euthenics and Eudemics", making yet further distinctions. [15] Having presented papers at eugenics conferences alongside fellow Nobel prize winners in Physiology or Medicine, Hermann J. Muller and Francis Crick, as late as 1963 [16] and equally concerned over the civilizational prospect of dysgenics, [17] Jewish geneticist Joshua Lederberg ...
Ultraviolet photography is a photographic process of recording images by using radiation from the ultraviolet (UV) spectrum only. Images taken with ultraviolet radiation serve a number of scientific, medical or artistic purposes. Images may reveal deterioration of art works or structures not apparent under light.
Mary Higgins Clark (born Mary Theresa Eleanor Higgins; December 24, 1927 – January 31, 2020) [1] was an American author of suspense novels.Each of her 51 books was a bestseller in the United States and various European countries, and all of her novels remained in print as of 2015, with her debut suspense novel, Where Are the Children?, in its 75th printing.