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The Maddox rod test can be used to subjectively detect and measure a latent, manifest, horizontal or vertical strabismus for near and distance. The test is based on the principle of diplopic projection. [1] Dissociation of the deviation is brought about by presenting a red line image to one eye and a white light to the other, while prisms are ...
Bifocals. A bifocal lens with areas of differing magnification. Bifocals with separate lenses. In this case, the Swedish ethnologist Jan-Öjvind Swahn [ sv]. Bifocals are eyeglasses with two distinct optical powers. Bifocals are commonly prescribed to people with presbyopia who also require a correction for myopia, hyperopia, and/or astigmatism .
A prism sight or prismatic sight, sometimes also called prism scope or prismatic scope, is a type of telescopic sight which uses a reflective prism for its image-erecting system, instead of the series of relay lenses found in traditional telescopic sights. The use of prisms makes it possible to construct a shorter and lighter sight, or with an ...
Corrective lens. A pair of contact lenses, positioned with the concave side facing upward. A corrective lens is a transmissive optical device that is worn on the eye to improve visual perception. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia.
File:Myopia and lens correction.svg. Size of this PNG preview of this SVG file: 434 × 599 pixels. Other resolutions: 174 × 240 pixels | 347 × 480 pixels | 556 × 768 pixels | 741 × 1,024 pixels | 1,483 × 2,048 pixels | 491 × 678 pixels. This is a file from the Wikimedia Commons. Information from its description page there is shown below.
Pros & Cons is the second EP by American rock The Company Band. Track listing. All tracks are written by Neil Fallon, Jess Margera, Dave Bone, James Rota and Brad Davis.
Pros and cons, derived from the Latin words "pro" (for) and "contra" (against), may refer to: Pros and Cons (TV series), a television series that aired from 1991 to 1992. Pros & Cons, a 1999 film starring Larry Miller and Tommy Davidson. Pros & Cons (comic strip), a comic strip by Kieran Meehan. "Pros and Cons", an episode of Garfield and Friends.
A Nomarski prism is a modification of the Wollaston prism that is used in differential interference contrast microscopy. It is named after its inventor, Polish and naturalized-French physicist Georges Nomarski. Like the Wollaston prism, the Nomarski prism consists of two birefringent crystal wedges (e.g. quartz or calcite) cemented together at ...