euthoscopic

adjective
eu·​tho·​scop·​ic | \ ¦yüthə¦skäpik\

Definition of euthoscopic

of a photoreceptor
: capable of perceiving the presence, direction, and relative intensity of light but unable to form a visual image

History and Etymology for euthoscopic

eutho- (irregular from Greek euthys straight) + -scopic

Keep scrolling for more