MEANING: adjective: Relating to images that originate within the eye (as opposed to images resulting from the light entering the eye).

Example: floaters, the thread-like fragments that appear to float in front of the eye but are caused by the matter within the eye.

ETYMOLOGY: From Greek ento- (within) + optic (relating to the eye or sight). Earliest documented use: 1876


BENTOPTIC - a twisted microscope lens

ENTOPHIC - inside the gouty lump

ENSTOPTIC - how to get rid of your inner twitch