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Parameters listed on the prism cover plate describing 7 power magnification binoculars with a 50 mm objective diameter and a 372 foot (113.39 m) field of view at 1,000 yards (914.4 m) Binoculars are usually designed for specific applications.
Thus, visual acuity, or resolving power (in daylight, central vision), is the property of cones. [25] To resolve detail, the eye's optical system has to project a focused image on the fovea , a region inside the macula having the highest density of cone photoreceptor cells (the only kind of photoreceptors existing in the fovea's very center of ...
Stereoacuity is defined as the minimum angle detectable, calculated as the difference between the angles subtended by both positions, A and B. Stereoacuity is possible due to binocular disparity, i.e., the difference in their binocular parallax.
Principle of binocular vision with horopter shown. In biology, binocular vision is a type of vision in which an animal has two eyes capable of facing the same direction to perceive a single three-dimensional image of its surroundings. Binocular vision does not typically refer to vision where an animal has eyes on opposite sides of its head and ...
prism power at which the patient ‘breaks’ and ‘recovers’ i.e. the prism power number followed by its measuring unit symbol “Δ” Note: Some examiners may choose not to assess and/or record ‘recovery’. If recovery is being recorded, separate the ‘break’ and accompanying ‘recovery’ results with a forward slash i.e. “/”. [8]
Binocular indirect ophthalmoscopy BSV: Binocular single vision: BV: Binocular vision: BVD: Back vertex distance BVP: Back vertex power CD: Centration distance C/D: Cup–disc ratio CF: Count fingers vision – state distance c/o or c.o. Complains of CT: Cover test c/u: Check up CW: Close work Δ: Prism dioptre D: Dioptres DC: Dioptres cylinder ...
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