Definition of entoptic in English:

entoptic

adjective

  • (of visual images) occurring or originating inside the eye.

    • ‘‘The zig-zags and triangles are most unusual’, he tells British Archaeology, ‘and may relate to entoptic imagery generated by altered states of consciousness’.’
    • ‘The phenomenon you describe is one of a family of such ‘visions’ termed entoptic phenomena.’

Origin

Late 19th century: from Greek entos within + optic.

Pronunciation:

entoptic

/ɪnˈtɒptɪk/