from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Located within the eyeball.
- adj. Of or relating to visual phenomena caused by objects within the eye, or the objects themselves.
from the GNU version of the Collaborative International Dictionary of English
- adj. Relating to objects situated within the eye; esp., relating to the perception of objects in one's own eye.
from The Century Dictionary and Cyclopedia
- Of or pertaining to the interior of the eye.
They are called entoptic visions and could be mixed and matched in a bewildering variety.
Makes me wonder what kind of entoptic imagery, slipping around on the oozing oily substrate of Kal's forebrain, he might be liable to see in his darkest moments...
Altered States Eric Pettifor on the possible origin of cave art in 'entoptic' visual effects.
Since these objects exist within the eye itself, they are not optical illusions but are entoptic phenomena.
Take a careful look at the Upper Palaeolithic designs depicted at the bottom of this interesting page on entoptic phenomena reproduced above.
The figures are all wearing ritual shirts believed to be skin shirts painted with the patterns of the entoptic visions that the shamans saw during their trances.
If you look closely in this picture just to the left of center you can see a square geometrical petroglyph, perhaps one of the entoptic vision shapes described by Whitley.
Do you recall seeing any geometric designs that might fit with the "entoptic images" that Whitley and others have talked about?
.....and the shapes that cover this boulder are representative of what Whitley talks about as the shapes seen in entoptic visions.