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en·oph·thal·mos .en-.äf-'thal-məs, -.äp-, -.mäs also en·oph·thal·mus -məs n a sinking of the eyeball into the orbital cavity
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n.
a condition in which the eye is abnormally sunken into the socket. It may follow fractures of the floor of the orbit that allow the eye to sink downwards and backwards.
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en·oph·thal·mos (en″of-thalґmos) [en- + Gr. ophthalmos eye] a backward displacement of the eyeball into the orbit.Medical dictionary. 2011.