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Yoked prism can move the image away from primary gaze without the need for a constant head tilt or turn. Prism correction is measured in prism dioptres. A prescription that specifies prism correction will also specify the "base". The base is the thickest part of the lens and is opposite from the apex.
measuring strabismus. 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]
Vision therapy is a subset of behavioral optometry. In general, vision therapists attempt to improve the vision, and therefore day-to-day well-being, of patients using "eye exercises," prism, and lenses, with more emphasis on the patient's visual function.
The president of the elite dog competition spills the show's secrets—including why a golden retriever has never won "Best in Show."
Prism (optics) 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.
A brokered CD is a certificate of deposit you buy through a brokerage firm, instead of from a bank or credit union. Like traditional CDs, you choose a term length that comes with a set interest ...
NEW YORK (Reuters) -A federal judge in Manhattan dismissed for good a lawsuit accusing Aerosmith lead singer Steven Tyler of sexually assaulting a former teenage model twice in one day in the mid ...
Watch strap. A watch strap, watch band, watch bracelet or watch belt is a bracelet that straps a wrist watch onto the wrist. [1] Watch straps may be made of leather, plastic, polyurethane, silicone, rubber, FKM, cloth, or metal, sometimes in combination. It can be regarded as a fashion item, serving both a utilitarian and decorative function.
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