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The prism cover test ( PCT) is an objective measurement and the gold standard in measuring strabismus, i.e. ocular misalignment, or a deviation of the eye. [1] It is used by ophthalmologists and orthoptists in order to measure the vertical and horizontal deviation and includes both manifest and latent components. [1]
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.
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 .
Fixation disparity is a tendency of the eyes to drift in the direction of the heterophoria. While the heterophoria refers to a fusion-free vergence state, the fixation disparity refers to a small misalignment of the visual axes when both eyes are open in an observer with normal fusion and binocular vision. [1]
Ocular myasthenia. Specialty. Ophthalmology. Ocular myasthenia gravis (MG) is a disease of the neuromuscular junction resulting in hallmark variability in muscle weakness and fatigability. MG is an autoimmune disease where anomalous antibodies are produced against the naturally occurring acetylcholine receptors in voluntary muscles. MG may be ...
An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled — elements with two parallel surfaces are not prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base and rectangular sides.
The 608-bed hospital [1] was designed by Parkin Architects Limited in joint venture with Adamson Associates and built by a joint venture of Carillion and EllisDon. [2] The Brampton Civic Hospital is one of Canada's first public hospitals to be designed, built, financed, and maintained under a private-public partnership.
SightLife. SightLife is an eye bank, a non-profit organization that obtains, medically evaluates and distributes corneas donated by individuals for use in corneal transplantation, research, and education. Since 2009 it has been the leading eye bank in the United States.
Ophthalmologist, professor. Centenary banner in 2020 at the eye institute in Omaha named for Truhlsen. Stanley Marshall Truhlsen Sr. (November 13, 1920 – December 23, 2021) was an American ophthalmologist and university professor in Omaha who served as president of the American Academy of Ophthalmology and as a governor of the American ...
It has the largest Retinal Surgery Unit in North America, one of the largest Glaucoma Units in the Canada, and performs the largest number of corneal transplants nationally. The Centre treats the most complex retinal diseases, including diabetic retinopathy, retinal detachment, and macular degeneration .