nearsightedness
111Intrastromal corneal ring — 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).… …
112Keratectomy, photorefractive (PRK) — A kind of laser eye surgery designed to change the shape of the cornea to eliminate (or reduce) the need for glasses and contact lenses. The laser is used to remove the outer layer of the cornea and flatten the cornea. The flattening of the… …
113Keratotomy — A surgical incision (a cut) made into the cornea. A radial keratotomy is a surgical procedure designed to flatten the cornea, reduce its optical power, and correct nearsightedness (myopia). The procedure is called a radial keratotomy because the… …
114Keratotomy, radial — 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 …
115Laser, excimer — A laser that emits very concentrated light in the ultraviolet (UV) region of the spectrum. Excimer lasers are used in medicine. For examples, In ophthalmology to vaporize part of the surface layer of the cornea and thus reshape the cornea to… …
116Laser-assisted in situ keratomileusis — A kind of laser eye surgery designed to change the shape of the cornea to eliminate or reduce the need for glasses and contact lenses in cases of severe myopia (nearsightedness). The procedure is best known as LASIK, an acronym for laser assisted …
117Optometrist — A health care professional who is licensed to provide primary eye care services: {{}}to examine and diagnose eye diseases such as glaucoma, cataracts, and retinal diseases and, in certain states in the U.S., to treat them; to diagnose related… …
118Photorefractive keratectomy (PRK) — A kind of laser eye surgery designed to change the shape of the cornea to eliminate (or reduce) the need for glasses and contact lenses. The laser is used to remove the outer layer of the cornea and flatten the cornea. The flattening of the… …
119PRK (photorefractive keratectomy) — A kind of laser eye surgery designed to change the shape of the cornea to eliminate (or reduce) the need for glasses and contact lenses. The laser is used to remove the outer layer of the cornea and flatten the cornea. The flattening of the… …
120Radial — In skeletal anatomy, radial refers to the radius, the smaller of the two bones on the thumb side of the forearm. (The bigger bone in the forearm is the ulna). In ophthalmology, a radial keratotomy is a procedure in which incisions (cuts) are made …
