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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.
- BD: base down prisms - BU: base up prisms - BO: base out prisms - BI: base in prisms - eso: esotropia - exo: exotropias - L/R: left hypertropia or right hypotropia - R/L: right hypertropia or left hypotropia Double Maddox rod test. The double Maddox rod test can also be used to assess torsion and measure cyclotropias.
Prism adaptation. Prism adaptation is a sensory-motor adaptation that occurs after the visual field has been artificially shifted laterally or vertically. It was first introduced by Hermann von Helmholtz in late 19th-century Germany as supportive evidence for his perceptual learning theory (Helmholtz, 1909/1962). [1]
Specialty. Ophthalmology. Exotropia is a form of strabismus where the eyes are deviated outward. It is the opposite of esotropia and usually involves more severe axis deviation than exophoria. People with exotropia often experience crossed diplopia. Intermittent exotropia is a fairly common condition. "Sensory exotropia" occurs in the presence ...
When measuring horizontal fusion ranges, base in prisms assess fusional divergence while base out prisms assess fusional convergence. The vertical fusional vergence amplitude can also be measured with base up and base down prisms although the horizontal PFR is typically the main focus when testing.
The Northrop B-2 Spirit, also known as the Stealth Bomber, is an American heavy strategic bomber, featuring low-observable stealth technology designed to penetrate dense anti-aircraft defenses. A subsonic flying wing with a crew of two, the plane was designed by Northrop (later Northrop Grumman) as the prime contractor, with Boeing, Hughes, and ...
How to Make a Monster (2001) – Directed by George Huang. An evil video game comes to life and hunts the group of developers. Avalon (2001) – Directed by Mamoru Oshii. Science fiction film centered on a war-themed, virtual reality MMO under the same title. Game Over (2003) – Directed by Jason Bourque.
Rob Base and DJ E-Z Rock singles chronology. " It Takes Two ". (1988) "Get on the Dance Floor". (1988) " It Takes Two " is a song by New York City hip hop duo Rob Base and DJ E-Z Rock that became a top-40 single and was later certified platinum by the Recording Industry Association of America (RIAA). Since it was released in 1988 by Profile ...
The Pokémon Trading Card Game (ポケモンカードゲーム, Pokemon Kādo Gēmu, "Pokémon Card Game"), abbreviated as PTCG or Pokémon TCG, is a collectible card game developed by Creatures Inc. based on the Pokémon franchise. Standard gameplay cards include Pokémon cards, energy cards, trainer cards, and stadium cards, a variant of ...
Chaos theory is an interdisciplinary area of scientific study and branch of mathematics. It focuses on underlying patterns and deterministic laws of dynamical systems that are highly sensitive to initial conditions. These were once thought to have completely random states of disorder and irregularities. [1]