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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 .
Light from a single point of a distant object and light from a single point of a near object being brought to a focus. The accommodation reflex (or accommodation-convergence reflex) is a reflex action of the eye, in response to focusing on a near object, then looking at a distant object (and vice versa), comprising coordinated changes in vergence, lens shape (accommodation) and pupil size.
Differential diagnosis. Convergence insufficiency. Accommodative insufficiency ( AI) involves the inability of the eye to focus properly on an object. Accommodation is the adjustment of the curvature of the lens to focus on objects near and far. In this condition, amplitude of accommodation of a person is lesser compared to physiological limits ...
A relic of the original meaning 'dusky, dark brown' survives in the Irish term daoine gorma 'Black people'. Irish language color wheel, with notes on their usage. In Old and Middle Irish, like in Welsh, glas was a blanket term for colors ranging from green to blue to various shades of gray (e.g., the glas of a sword, the glas of stone).
Language convergence is a type of linguistic change in which languages come to resemble one another structurally as a result of prolonged language contact and mutual interference, regardless of whether those languages belong to the same language family, i.e. stem from a common genealogical proto-language. [ 1]
Ethnolinguistics incorporates methods like ethnosemantics, which analyzes how people classify and label their world, and componential analysis, which dissects semantic features of terms to understand cultural meanings. The field intersects with cultural linguistics to investigate how language encodes cultural schemas and metaphors, influencing ...
Tagalog and Cebuano are the most commonly spoken native languages, together comprising about half of the population of the Philippines. Filipino and English are the only official languages and are taught in schools. This, among other reasons, has resulted in a rivalry between the Tagalog and Cebuano language groups.
Dialect levelling (or leveling in American English) is an overall reduction in the variation or diversity of features, accompanied by an increase in the similarities, between two or more dialects in contact with each other. [1] This can come about through assimilation, mixture, and merging of certain dialects, often by language codification ...