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Radial keratotomy (RK) is a refractive surgical procedure to correct myopia (nearsightedness). It was developed in 1974 by Svyatoslav Fyodorov , a Russian ophthalmologist . It has been largely supplanted by newer, more accurate operations, such as photorefractive keratectomy , LASIK , Epi-LASIK and the phakic intraocular lens .
Keratoconus (KC) is a disorder of the eye that results in progressive thinning of the cornea. [ 3 ] This may result in blurry vision, double vision, nearsightedness, irregular astigmatism, [ 4 ] and light sensitivity leading to poor quality-of-life. [ 3 ][ 5 ] Usually both eyes are affected. [ 3 ] In more severe cases a scarring or a circle may ...
Body hair or androgenic hair is terminal hair that develops on the human body during and after puberty. It is different from head hair and also from less visible vellus hair, which is much finer and lighter in color. Growth of androgenic hair is related to the level of androgens (male hormones) and the density of androgen receptors in the ...
Laser hair growth treatments to encourage new hair growth. Scalp micropigmentation to mask bald spots and thinning hair. PRP (platelet-rich plasma) treatments to encourage blood flow and healthy ...
Uncombable hair syndrome (UHS) is a rare structural anomaly of the hair with a variable degree of effect. It is characterized by hair that is silvery, dry, frizzy, wiry, and impossible to comb. [ 4 ] It was first reported in the early 20th century. [ 5 ] It typically becomes apparent between the ages of 3 months and 12 years. [ 6 ]
Types. myopia, hyperopia, astigmatism, presbyopia. [ edit on Wikidata] Refractive surgery is an optional eye surgery used to improve the refractive state of the eye and decrease or eliminate dependency on glasses or contact lenses. This can include various methods of surgical remodeling of the cornea (keratomileusis), lens implantation or lens ...
Corneal reshaping. ICD-9-CM. 11.71. [edit on Wikidata] Keratomileusis, from Greek κέρας (kéras: horn) and σμίλευσις (smíleusis: carving), [1] or corneal reshaping, is the improvement of the refractive state of the cornea by surgically reshaping it. It is the most common form of refractive surgery. The first usable technique was ...
Beck Weathers (left) in 2000. Born. Dallas, Texas, United States. Occupation (s) Pathologist, amateur mountaineer. Known for. Surviving the 1996 Mount Everest disaster. Beck Weathers is an American pathologist from Texas who survived the 1996 Mount Everest disaster. His story was covered in Jon Krakauer 's book Into Thin Air (1997), its film ...