4 ms·
It's called 'blue field entoptic phenomenon.' http://en.wikipedia.org/wiki/Blue_field_entoptic_phenomenon http://en.wikipedia.org/wiki/Blue_field_entoptic_phen
by heed 14y ago
It's called 'blue field entoptic phenomenon.'
http://en.wikipedia.org/wiki/Blue_field_entoptic_phenomenon http://en.wikipedia.org/wiki/Blue_field_entoptic_phenomenon