3 ms·
IIRC the really small white ones that you see when looking up at a blue sky are actually white blood cells in the arteries on the inner surface of your eyeball.
by pja 14y ago
IIRC the really small white ones that you see when looking up at a blue sky are actually white blood cells in the arteries on the inner surface of your eyeball.
- heed 14y agoIt's called 'blue field entoptic phenomenon.' http://en.wikipedia.org/wiki/Blue_field_entoptic_phenomenon http://en.wikipedia.org/wiki/Blue_field_entoptic_phenomenon
- iceron 14y agoYes, Blue field entoptic phenomenon is the name. I've also heard of visual snow, which seems to be related to migraines. http://en.wikipedia.org/wiki/Blue_field_entoptic_phenomenon http://en.wikipedia.org/wiki/Blue_field_entoptic_phenomenon http://f1000.com/posters/browse/summary/1090714 http://f1000.com/posters/browse/summary/1090714