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Convergence insufficiency. Convergence Insufficiency. Other names. Convergence disorder. Specialty. Ophthalmology, optometry. Convergence insufficiency is a sensory and neuromuscular anomaly of the binocular vision system, characterized by a reduced ability of the eyes to turn towards each other, or sustain convergence .
Heterophoria is an eye condition in which the directions that the eyes are pointing at rest position, when not performing binocular fusion, are not the same as each other, or, "not straight". This condition can be esophoria, where the eyes tend to cross inward in the absence of fusion; exophoria, in which they diverge; or hyperphoria, in which ...
Treatment options for esotropia include glasses to correct refractive errors (see accommodative esotropia below), the use of prisms, orthoptic exercises, or eye muscle surgery. The term is from Greek eso meaning "inward" and trope meaning "a turning".
Incomitant strabismus cannot be fully corrected by prism glasses, because the eyes would require different degrees of prismatic correction dependent on the direction of the gaze.
The bottom line on HD Vision glasses: Put on a pair during the hazy days of summer. But when the light's bright, you will see clearer with standard-definition dark sunglasses.
These As-Seen-on-TV products are available through Walmart and totally worth the hype. (Photos: Walmart) Those late-night infomercials can be so tempting, but with so many innovative...
You get to see Lisa Kaplan Gordon in As Seen on TV review videos on WalletPop's Consumer Ally section every week, but thanks to the folks at the McLean Ear in Virginia, you can learn a bit more ...
A cover test or cover-uncover test is an objective determination of the presence and amount of ocular deviation. It is typically performed by orthoptists, ophthalmologists and optometrists during eye examinations . The two primary types of cover tests are: the alternating cover test. the unilateral cover test (or the cover-uncover test).
Updated July 14, 2016 at 9:12 PM. I've taken dozens of As Seen on TV products for a spin this year. Some failed to impress, while others were surprisingly wow-worthy. To be among the best,...
Prism correction. Prism lenses (here unusually thick) are used for pre-operative prism adaptation. Eye care professionals use prism correction as a component of some eyeglass prescriptions. A lens which includes some amount of prism correction will displace the viewed image horizontally, vertically, or a combination of both directions.