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Convergence disorder. Specialty. Ophthalmology, optometry. Convergence insufficiency is a sensory and neuromuscular anomaly of the binocular vision system, characterized by a reduced ability of the eyes to turn towards each other, or sustain convergence .
The latter prism needed to reduce the fixation disparity to zero is referred to as aligning prism (earlier called associated phoria). Instrumentations as the Disparometer, the Mallett-unit, or the Wesson Card differ in the type of fusion target: some use small central fixation letters, others use more peripheral fusion targets.
Efforts must first be made to identify and treat the underlying cause of the problem. Treatment options include eye exercises, wearing an eye patch on alternative eyes, prism correction, and in more extreme situations, surgery or botulinum toxin.
Psychology Today is among the oldest media outlets with a focus on behavioral science. Its mission is to cover all aspects of human behavior so as to help people better manage their own health and wellness, adjust their mindset, and manage a range of mental health and relationship concerns.
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Prentice's rule, named so after the optician Charles F. Prentice, is a formula used to determine the amount of induced prism in a lens: = where: P is the amount of prism correction (in prism dioptres) c is decentration (the distance between the pupil centre and the lens's optical centre, in millimetres)
Rosy retrospection. Rosy retrospection is a proposed psychological phenomenon of recalling the past more positively than it was actually experienced. The highly unreliable nature of human memory is well-documented and accepted amongst psychologists. Some research suggests that negative emotions are exaggerated in memory as well as positive ones.
See also. Psychology portal. v. t. e. Resistance, in psychoanalysis, refers to the client's defence mechanisms that emerge from unconscious content coming to fruition through process. [1] Resistance is the repression of unconscious drives from integration into conscious awareness. [2] Sigmund Freud, the founder of psychoanalytic theory ...
Correctional psychology. Correctional psychology is the application of basic and applied psychological science or scientifically-oriented professional practice to the justice system to enable the proper classification, treatment, and management of offenders.
Extinction (psychology) Extinction is a behavioral phenomenon observed in both operantly conditioned and classically conditioned behavior, which manifests itself by fading of non-reinforced conditioned response over time. When operant behavior that has been previously reinforced no longer produces reinforcing consequences the behavior gradually ...