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Four prism dioptre reflex test. Purpose. assess alignment of both eyes. The Four Prism Dioptre Reflex Test (also known as the 4 PRT, or 4 Prism Dioptre Base-out Test) is an objective, non-dissociative test used to prove the alignment of both eyes (i.e. the presence of binocular single vision) by assessing motor fusion. [1]
Prism dioptres. Prism correction is commonly specified in prism dioptres, a unit of angular measurement that is loosely related to the dioptre. Prism dioptres are represented by the Greek symbol delta (Δ) in superscript. A prism of power 1 Δ would produce 1 unit of displacement for an object held 100 units from the prism. [2]
Prism: Light the Way is a two-dimensional puzzle video game developed by British company Morpheme Game Studios. In the game, the player, with the help of "Bulboids" that emit light beams, must direct the correct color of light into the "Glowbos".
The prism cover test (PCT) is an objective measurement and the gold standard in measuring strabismus, i.e. ocular misalignment, or a deviation of the eye. It is used by ophthalmologists and orthoptists in order to measure the vertical and horizontal deviation and includes both manifest and latent components. [1]
Scintillating scotoma is a common visual aura that was first described by 19th-century physician Hubert Airy (1838–1903). Originating from the brain, it may precede a migraine headache, but can also occur acephalgically (without headache), also known as visual migraine or migraine aura. [4]
Ender's Game is a 2013 American military science-fiction action film based on Orson Scott Card's 1985 novel of the same name.Written and directed by Gavin Hood, the film stars Asa Butterfield as Andrew "Ender" Wiggin, an unusually gifted child who is sent to an advanced military academy in space to prepare for a future alien invasion.
An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled — elements with two parallel surfaces are not prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base and rectangular sides.
Eyeglass prescription. 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. If an eye examination indicates that corrective lenses are appropriate, the ...
Overview. Orwell was created by German developer Osmotic Studios. The series is named after George Orwell, the author of the dystopian novel Nineteen Eighty-Four, references to which can be found throughout the game. The first game in the series, subtitled 'Keeping an Eye on You', was released as a five-part episodic series on October 20, 2016.
The Blinding Knife. The Blinding Knife is a 2012 epic fantasy novel by New York Times Bestselling author Brent Weeks and the second book in his Lightbringer series following The Black Prism. [1] The novel is written in the third person perspective of several characters and follows protagonist Kip Guile as he discovers his latent magical powers.