释义 |
extraocular muscle noun[ C ] anatomy specialized(alsoextra-ocular muscle)uk /ek.strəˌɒk.jə.lə ˈmʌs.əl/ us /ˌek.strəˌɑː.kjə.lɚ ˈmʌs.əl/ any of six small muscles that control the movement of the eyeball: He had full extraocular muscle function when tracking movement. The condition presents as a sudden painful loss of vision, dilated pupils, and weakness or paralysis of extraocular muscles. Double vision may be caused by weakness or paralysis of one or more of the extra-ocular muscles. The extraocular muscles should be evaluated during the physical examination. Muscle strength in the extraocular muscles is intact. Evaluate extraocular muscle function by testing the six cardinal positions of gaze. SMART Vocabulary: related words and phrases The eye & surrounding area beadily beetling canthus chiasm chiasma compound eye eyeball eyelid glassy macula macula lutea macular monobrow oculomotor optic nerve suborbital superciliary supraoptic supraorbital tear duct
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