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Photopsia. This is an approximation of the zig-zag visual of a scintillating scotoma as a migraine aura. It moves and vibrates, expanding and slowly fading away over the course of about 20 minutes. Migraine with aura, which includes photopsia 39% of the time, typically lasts 10 to 20 minutes and often is followed by a headache.
Closed-eye hallucinations and closed-eye visualizations ( CEV) are hallucinations that occur when one's eyes are closed or when one is in a darkened room. They should not be confused with phosphenes, perceived light and shapes when pressure is applied to the eye's retina, or some other non-visual external cause stimulates the eye.
Entoptic phenomena (from Ancient Greek ἐντός (entós) 'within' and ὀπτικός (optikós) 'visual') are visual effects whose source is within the human eye itself. (Occasionally, these are called entopic phenomena, which is probably a typographical mistake.) In Helmholtz 's words: "Under suitable conditions light falling on the eye ...
Time after time he visited his doctor for antibiotics, but the infection always came back. “It got to the point where the doctor was like, ‘OK, no more antibiotics.
"Let's Go Back To Day One" Come and Get It: The Rare Pearls: Patrice Holloway Gloria Jones "Let's Have a Party" Soulsation! Winifred Atwell — "Listen I'll Tell You How" I Want You Back! Unreleased Masters: Bobby Taylor. N. Moloci "Little Bitty Pretty One" Lookin' Through the Windows: Bobby Day — "Living Together" The Jacksons: Dexter Wansel —
We've all grown up thinking that sitting too close to the television is damaging to our eyes ... but that might not be the case. Technology spawns lots of confusion ... and a few affectionately ...
The pupillary light reflex ( PLR) or photopupillary reflex is a reflex that controls the diameter of the pupil, in response to the intensity ( luminance) of light that falls on the retinal ganglion cells of the retina in the back of the eye, thereby assisting in adaptation of vision to various levels of lightness/darkness.
Image credits: Spence10873 #10. One time I brought soda to a potluck-type party. On the way to the party, the bag ripped and the two soda bottles fell and rolled all the way down the hill with me ...