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  2. Closed-eye hallucination - Wikipedia

    en.wikipedia.org/wiki/Closed-eye_hallucination

    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.

  3. Entoptic phenomenon - Wikipedia

    en.wikipedia.org/wiki/Entoptic_phenomenon

    White cells are larger than red blood cells and can be larger than the diameter of a capillary, so must deform to fit. As a large, deformed white blood cell goes through a capillary, a space opens up in front of it and red blood cells pile up behind. This makes the dots of light appear slightly elongated with dark tails.

  4. Chromostereopsis - Wikipedia

    en.wikipedia.org/wiki/Chromostereopsis

    Blue–red contrast demonstrating depth perception effects 3 Layers of depths "Rivers, Valleys & Mountains". Chromostereopsis is a visual illusion whereby the impression of depth is conveyed in two-dimensional color images, usually of red–blue or red–green colors, but can also be perceived with red–grey or blue–grey images.

  5. Why do so many SC liquor stores have red dots outside? - AOL

    www.aol.com/news/why-many-sc-liquor-stores...

    Past the three red dots on the windows of Stop N Save in Myrtle Beach, Nick Patel looks out onto bottles of tequila and triple sec. “You can see (the dots) everywhere, I mean, all liquor stores.

  6. Visual snow syndrome - Wikipedia

    en.wikipedia.org/wiki/Visual_snow_syndrome

    Visual snow syndrome (VSS) is an uncommon neurological condition in which the primary symptom is that affected individuals see persistent flickering white, black, transparent, or colored dots across the whole visual field. [7] [4] Other common symptoms are palinopsia, enhanced entoptic phenomena, photophobia, and tension headaches.

  7. List of optical illusions - Wikipedia

    en.wikipedia.org/wiki/List_of_optical_illusions

    The two red vertical lines are both straight, but they may look as if they are bowed inwards to some observers. The distortion is induced by the crooked lines on the background Zoetrope: Zöllner illusion: The Zöllner illusion is a classic optical illusion named after its discoverer, German astrophysicist Johann Karl Friedrich Zöllner.

  8. Seeing red: Mosquito vision tailored to our skin, researchers ...

    www.aol.com/news/seeing-red-mosquito-vision...

    Aedes aegypti mosquitoes are a public health scourge. Understanding how they home in on us could help develop traps and give people new tools to prevent being bitten.

  9. If You See a Cardinal, Here's the True, Unexpected ... - AOL

    www.aol.com/see-cardinal-heres-true-unexpected...

    2 Red Cardinals: Spiritual Meaning Life gets quite interesting when you are being visited by two red Cardinals. The spiritual meaning behind seeing two of them is that you should take a closer ...