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Esophoria is an eye condition involving inward deviation of the eye, usually due to extra-ocular muscle imbalance. It is a type of heterophoria. Cause. Causes include: Refractive errors; Divergence insufficiency; Convergence excess; this can be due to nerve, muscle, congenital or mechanical anomalies.
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]
Convergence insufficiency. Convergence Insufficiency. Other names. 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 .
This article is a list of standard proofreader's marks used to indicate and correct problems in a text. Marks come in two varieties, abbreviations and abstract symbols. These are usually handwritten on the paper containing the text. Symbols are interleaved in the text, while abbreviations may be placed in a margin with an arrow pointing to the ...
Typographical symbols and punctuation marks are marks and symbols used in typography with a variety of purposes such as to help with legibility and accessibility, or to identify special cases. This list gives those most commonly encountered with Latin script. For a far more comprehensive list of symbols and signs, see List of Unicode characters.
Rey–Osterrieth complex figure. Example of a copy of the Rey–Osterrieth figure similar to those produced by children or neurological patients. Purpose. evaluation of memory, attention, planning, working memory. The Rey–Osterrieth complex figure ( ROCF) is a neuropsychological assessment in which examinees are asked to reproduce a ...
Symbolic self-completion theory. The theory of symbolic self-completion is a psychological theory which holds that individuals seek to acquire and display symbols that are strongly related to what they perceive as the ideal self. [1] For example, relatively effeminate boys who want to appear macho may use products associated with manliness ...
Efference copy. In physiology, an efference copy or efferent copy is an internal copy of an outflowing ( efferent ), movement-producing signal generated by an organism's motor system. [1] It can be collated with the (reafferent) sensory input that results from the agent's movement, enabling a comparison of actual movement with desired movement ...
Mental representation is the mental imagery of things that are not actually present to the senses. [3] In contemporary philosophy, specifically in fields of metaphysics such as philosophy of mind and ontology, a mental representation is one of the prevailing ways of explaining and describing the nature of ideas and concepts .
the y-intercept refers to the naturally occurring fixation disparity without a prism (FD 0) the x-intercept gives the amount of a prism (P 0) that compensates a naturally occurring fixation disparity. This x-intercept is also referred to as aligning prism or – in earlier times – as associated phoria when the subjective nonius method was ...