A condition characterized by subjective sensations of light or colour, often in the form of flashes and sparks, due to abnormal stimulation of the retina or other parts of the visual pathway.
Origin
Early 19th century. From photo- + -opsia.
Definition of photopsia in US English:
photopsia
nounfəʊˈtɒpsɪə
Medicine
A condition characterized by subjective sensations of light or colour, often in the form of flashes and sparks, due to abnormal stimulation of the retina or other parts of the visual pathway.