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Vertex distance is the distance between the back surface of a corrective lens, i.e. glasses (spectacles) or contact lenses, and the front of the cornea. Increasing or decreasing the vertex distance changes the optical properties of the system, by moving the focal point forward or backward, effectively changing the power of the lens relative to ...
[2] [3] Opto-mechanical spectacles allow focus control by the wearer via movement of a small slider located on top of the bridge. The user adjusts the lens for optical clarity at the desired distance. [4] They are a combination of rigid and flexible lenses that can change prescription to enable sharp focus at various distances (from infinity up ...
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Human ocular prosthesis of brown color. Cat with an ocular prosthesis. An ocular prosthesis, artificial eye or glass eye is a type of craniofacial prosthesis that replaces an absent natural eye following an enucleation, evisceration, or orbital exenteration.
Many PC games that are released after 2000 are ported from consoles, or developed for both console and PC platforms. Ideally, the developer will set a wider FOV in the PC release, or offer a setting to change the FOV to the player's preference. However, in many cases the narrow FOV of the console release is retained in the PC version.
Because rod cells are insensitive to long wavelengths, the use of red lights and red lens glasses has become a common practice for accelerating dark adaptation. [29] In order for dark adaptation to be significantly accelerated an individual should ideally begin this practice 30 minutes prior to entering a low luminescence setting. [ 30 ]
White was born on August 2, 1994, [14] in Tampa, Florida.He attended Carrollwood Day School and was a member of the varsity basketball team. [15] [16] He is 5 feet 6 inches (1.68 m) tall. [17]