entoptic
/ɛntˈɒptɪk/Definitions
1. adjective
relating to or resembling entoptics, especially a pattern or phenomenon that is perceived by an observer within their own eyes.
“The entoptic patterns appeared when she closed her eyes and focused on a single point.”
2. noun
an entoptic phenomenon, especially a pattern or shape that is perceived by an observer within their own eyes.
“The entoptic shapes were a fascinating sight to behold.”