malignant myopia |
pathologic myopia |
senile lenticular myopia |
1. <ophthalmology> Improved near vision in the aged as a result of increased refractivity of the nucleus of the lens causing myopia.
Synonym: senile lenticular myopia.
2. The power of discerning what is not visible to the physical eye, or of foreseeing future events. Such as are of a disastrous kind, the capacity of a seer or prophetic vision.
Source: Websters Dictionary
(01 Mar 1998) |
simple myopia |
Myopia arising from failure of correlation of the refractive power of the anterior segment and the length of the eyeball.
Space myopia, a type of myopia arising when no contour is imaged on the retina.
Transient myopia, myopia observed in accommodative spasm secondary to iridocyclitis or ocular contusion.
(05 Mar 2000) |
night myopia |
In dark adaptation the eye becomes more sensitive to shorter wave lengths (Purkinje shift), and visual acuity depends on parafoveal blue cones. Shorter wavelengths come into focus in front of the retina, and this chromatic aberration accounts for some of the relative myopia that a normal eye experiences at night; much of the remainder is due to an increase in accommodative tone in the dark.
Pathologic myopia, progressive myopia marked by fundus changes, posterior staphyloma, and subnormal corrected acuity.
Synonym: degenerative myopia, malignant myopia.
Prematurity myopia, myopia observed in infants of low birth weight or in association with retrolental fibroplasia.
(05 Mar 2000) |
degenerative myopia |
pathologic myopia |
index myopia |
Myopia arising from increased refractivity of the lens, as in nuclear sclerosis.
(05 Mar 2000) |