nearsightedness
121Radial keratotomy — An eye surgery procedure designed to flatten the cornea, reducing its optical power, to correct nearsightedness (myopia). In the procedure, incisions (cuts) are made in the cornea. The procedure is said to be radial because the incisions resemble …
122Refract — In ophthalmology, to determine the bending of light that takes place within the human eye. Refractive errors include nearsightedness (myopia), farsightedness (hyperopia), and astigmatism. Lenses can be used to control the amount of refraction,… …
123Refraction — In ophthalmology, the bending of light that takes place within the human eye. Refractive errors include nearsightedness (myopia), farsightedness (hyperopia), and astigmatism. Lenses can be used to control the amount of refraction, correcting… …
124Ring, intrastromal corneal — A plastic ring designed to be implanted in the cornea, the transparent structure in the front of the eye. The aim of the corneal ring implant is to flatten the cornea and in so doing to correct or reduce the degree of myopia (nearsightedness).… …
125epikeratophakia — Modification of refractive error by application of a donor cornea to the anterior surface of the patient s cornea from which epithelium has been removed. SYN: epikeratophakic keratoplasty. [epi + G. keras, horn, + phakos …
126Chon Day — Chauncey Addison Day, better known as Chon Day, (1907 2000) was an American cartoonist whose cartoons appeared in The New Yorker and other magazines. Born in Chatham, New Jersey, Day attended Lehigh University in 1926, where he drew for the… …
127Smith–Magenis syndrome — Classification and external resources ICD 9 758.33 OMIM 182290 DiseasesDB …
128Distorted vision — is a symptom with several different possible causes.[1] Contents 1 Vitreous detachment 2 Uveitis 3 Entoptic phenomenon 4 …
