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Progressive lenses are corrective lenses used in eyeglasses to correct presbyopia and other disorders of accommodation. They are characterised by a gradient of increasing lens power, added to the wearer's correction for the other refractive errors. The gradient starts at the wearer's distance prescription at the top of the lens and reaches a ...
A/V: Arteriole–venue ratio BIO: 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 ...
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, that specifies the value of all parameters the prescriber has deemed necessary to construct and/or dispense corrective lenses appropriate for a patient.
The most common type of corrective lens is "single vision", which has a uniform refractive index. For people with presbyopia and hyperopia, bifocal and trifocal glasses provide two or three different refractive indices, respectively, and progressive lenses have a continuous gradient. [1]
In 2001 ARToolWorks was incorporated, and v1.0 of the open-source version of ARToolKit was released through the HIT Lab. ARToolKit was one of the first AR SDKs for mobile, seen running first on Symbian in 2005, [4] then iOS with the iPhone 3G in 2008, [5] and finally Android as early as 2010 [6] with a professional version by ARToolWorks later ...
Viewfinder eyepiece. A digital single-lens reflex camera ( digital SLR or DSLR) is a digital camera that combines the optics and mechanisms of a single-lens reflex camera with a solid-state image sensor and digitally records the images from the sensor. The reflex design scheme is the primary difference between a DSLR and other digital cameras.
AR Zone was first released for Samsung Galaxy S20 and other devices updated to One UI 2.1. It brought together several augmented reality features that were located in Air Command, AR Emoji and Bixby Vision, [2] [3] such as the My Emoji Maker app. [4]
List: Proprietary: FreeSpace 2 Source Code Project: C++: Yes 3D Windows, Mac OS X, Linux, FreeBSD: FreeSpace 2; several projects, including games based on the Babylon 5 and 2004 Battlestar Galactica universes. Freeware for non-commercial use Frostbite: C++: 2008 Yes 3D Windows, PlayStation 3, PlayStation 4, Xbox 360, Xbox One: List: Proprietary