WebÉtymologie (Siècle à préciser) Avec le suffixe -ion, du latin refractum, supin de refringere dont est issu refraindre. Nom commun réfraction \ʁe.fʁak.sjɔ̃\ féminin (Physique) Déviation que subit un rayon lumineux, lorsqu’il passe d'un milieu dans un milieu de densité différente. Web22. apr 2024 · Hyperphoria is an eye condition where the eye points upwards, but not permanently. It usually occurs when the child is tired, stressed, or has an onset of illness. In the absence of sufficient stimuli for fusion, the line of sight in one eye tends to be more upward than in the other eye.
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WebDIOPTRIC — adjective Etymology: Greek dioptrikos of a diopter (instrument), from dioptra Date: 1653 : refractive ; specifically : assisting vision by … Merriam-Webster's Collegiate English vocabulary; DIOPTRIC — noun a dioptre. ·see dioptre. 2. dioptric ·adj ·alt. of dioptrical. 3. dioptric ·adj of or pertaining to the dioptre, … Web17. máj 2024 · late 14c., originally in the mathematical sense, from Anglo-French fraccioun (Old French fraccion, "a breaking," 12c., Modern French fraction) and directly from Late … pallet rack back stop
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