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Anisometropia is a condition in which a person's eyes have substantially differing refractive power. [1] Generally, a difference in power of one diopter (1D) is the threshold for diagnosis of the condition.
The prevalence of Functional visual loss neuro-ophthalmology clinics is said to be 5-12%, and general ophthalmology clinics 1-5%. [2] [3] It is said that the total prevalence may be much more higher because patients may also consult their general practitioners, internal medicine physicians, psychiatrists or neurologists.
Aphakia is the absence of the lens of the eye, due to surgical removal, such as in cataract surgery, a perforating wound or ulcer, or congenital anomaly. It causes a loss of ability to maintain focus (accommodation), high degree of farsightedness (), [1] and a deep anterior chamber.
The simplest form of treatment for far-sightedness is the use of corrective lenses, i.e. eyeglasses or contact lenses. [ 17 ] [ 18 ] Eyeglasses used to correct far-sightedness have convex lenses . [ 19 ]
The 15 drugs accounted for $41 billion, or 14%, of total Medicare Part D spending between Nov. 1, 2023, and Oct. 1, 2024.
Aspheric eyeglass lenses allow for crisper vision than standard "best form" lenses, mostly when looking in other directions than the lens optical center. Moreover, the reduction of the magnification effect of a lens may help with prescriptions that have different powers in the 2 eyes (anisometropia). Not related to the optical quality, they may ...
WASHINGTON — At the start of the week, President Donald Trump warned ominously that the U.S. will retake the Panama Canal or “something very powerful is going to happen.”
One and a half syndrome; Other names: On-and-a-half syndrome: Diagram of normal eye movement compared to left one-and-a-half syndrome (i.e. left lateral gaze palsy, with left Internuclear ophthalmoplegia (inability to adduct))