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• Eyeglass prescription — Using a phoropter to determine a prescription for eyeglasses An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist or ophthalmologist, that specifies the value of all parameters the prescriber has deemed… …   Wikipedia

• Corrective lens — A bifocal corrective eyeglass lens A pair of contact le …   Wikipedia

• Anaglyph image — Anaglyph images are used to provide a stereoscopic 3D effect, when viewed with 2 color glasses (each lens a chromatically opposite color, usually red and cyan). Images are made up of two color layers, superimposed, but offset with respect to each …   Wikipedia

• Myopia — For other uses, see Myopia (disambiguation). Myopia Classification and external resources ICD 10 H …   Wikipedia

• rule — A criterion, standard, or guide governing a procedure, arrangement, action, etc. SEE ALSO: law, principle, theorem. [O. Fr. reule, fr. L. regula, a guide, pattern] Abegg r. the tendency of the sum of the …   Medical dictionary

• eye, human — ▪ anatomy Introduction  specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit       The eye is protected from mechanical injury… …   Universalium

• Phoropter — A phoropter can measure refractive error to determine an individual s spectacle lens prescription during an eye examination. A phoropter is an instrument commonly used by eye care professionals during an eye examination, containing different… …   Wikipedia

• Hasselblad — This article is about Victor Hasselblad AB, the Swedish company. For the founder of the company, Victor Hasselblad, see Victor Hasselblad. For Hasselblad Masters, see Hasselblad Masters Award. For the Hasselblad Award or the Hasselblad Foundation …   Wikipedia

• Canon EOS-1N — Infobox camera camera name = Canon EOS 1N type = 35mm SLR lens mount = Canon EF lens mount focus = TTL Phase Detection Autofocus (5 zone) exposure = Programmed, shutter priority, aperture priority, manual, depth of field AE. Metering: 16 zone… …   Wikipedia

• Minolta 9000 — Type 35mm SLR Lens mount Minolta A mount Focus TTL phase detecting autofocus Exposure P …   Wikipedia

• Minolta 9xi — Type 35mm SLR Lens mount Minolta A Mount Focus TTL Phase Detection Autofocus (4 sensors) Exposure 14 segment honeycomb evalua …   Wikipedia