Medical Dictionary

ophthalmoscope

noun oph·thal·mo·scope \äf-ˈthal-mə-ˌskōp\

Medical Definition of OPHTHALMOSCOPE

:  an instrument for viewing the interior of the eye consisting of a concave mirror with a hole in the center through which the observer examines the eye, a source of light that is reflected into the eye by the mirror, and lenses in the mirror which can be rotated into the opening in the mirror to neutralize the refracting power of the eye being examined and thus make the image of the fundus clear
oph·thal·mo·scop·ic \-ˌthal-mə-ˈskäp-ik\ adjective
oph·thal·mo·scop·i·cal·ly \-i-k(ə-)lē\ adverb

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears