nearsightedness
101Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
102photorefractive keratectomy — ▪ surgical method common surgical method that reshapes the cornea (the transparent membrane covering the front of the eye (eye, human)) to improve vision in patients affected by farsightedness ( hyperopia) or nearsightedness ( myopia). In… …
103retinopathy of prematurity — ▪ pathology also called ROP disease in which retinal blood vessels (blood vessel) develop abnormally in the eyes of premature infants (premature birth and postmature birth). In mild forms of retinopathy of prematurity, developing blood… …
104Vaihinger, Hans — ▪ German philosopher born Sept. 25, 1852, Nehren, Württemberg [Germany] died Dec. 18, 1933, Halle, Ger. German philosopher who, influenced by Arthur Schopenhauer and F.A. Lange, developed Kantianism in the direction of pragmatism by… …
105myopia — noun /maɪ.əʊ.piː.ə/ a) A disorder of the vision where distant objects appear blurred because the eye focuses their images in front of the retina instead of on it. b) A lack of imagination, discernment or long range perspective in thinking or …
106multifocal — adjective a) Arising from or occurring in more than one focus or location. b) having several focusing areas that correct for both nearsightedness and farsightedness …
107Achromatopsia — An hereditary disorder of sight due to a lack of cone vision that type of vision provided by the cone photoreceptors in the retina. In the normal eye, there are some 6 million cone photoreceptors; they are located largely in the center of the… …
108Congenital achromatopsia — An hereditary disorder of vision characterized by a lack of cone vision (sight provided by the cone photoreceptors in the retina). People with achromatopsia (achromats) are completely or almost completely colorblind. They have poor visual acuity …
109Corneal ring, intrastromal — 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).… …
110Excimer laser — 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… …
