The unknowable impact of new developments, like the settlement of the frontier or the advent of the skyscraper, motivates optimistic property bets.If investors are not irrational, they may nonetheless fall prey to a dangerous nearsightedness.
Among children who spend the same amount of time outside, the amount of near work has no correlation with nearsightedness.
A concave lens for myopia, or nearsightedness, is first evident in the portrait of Pope Leo X painted by Raphael in 1517.
Depending on the situation, important nonsurgical treatments for strabismus may include correcting any underlying nearsightedness (myopia), farsightedness (hyperopia), or astigmatism with eyeglasses or fitting glasses with prisms.
In the 1980s and early 1990s, RK was a widespread procedure for correcting nearsightedness, with several hundred thousand procedures performed worldwide.
(When the optical system of the eye is defective, moreover, as in nearsightedness, the imagery is worse, but this can be corrected by the use of appropriate lenses).
Additional complications of retinopathy of prematurity include amblyopia, cataract, glaucoma, and nearsightedness (myopia), among others.
The most common causes are misalignment of the eyes (strabismus) and uncorrected (usually asymmetric) refractive errors (e.g., farsightedness, nearsightedness, or astigmatism).
In contrast to the focussing of the normal (emmetropic) eye, in which the image of the visual field is focussed on the retina, the image may be focussed in front of the retina (nearsightedness, or myopia), or behind the retina (farsightedness or hyperopia).
They also can be functionally and cosmetically appealing substitutes for eyeglasses to treat myopia (nearsightedness) and other visual defects.
In some eyes, rays of light from distant objects are not brought to a focus on the retina but are focused on a plane in front of the retina, as in myopia (nearsightedness), or behind the retina, as in hyperopia (farsightedness).
