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  2. Xanthopsia - Wikipedia

    en.wikipedia.org/wiki/Xanthopsia

    Xanthopsia is a color vision deficiency in which there is a dominantly yellow bias in vision due to a yellowing of the optical media of the eye. The most common causes are digoxin's inhibitory action on the sodium pump, and the development of cataracts which can cause a yellow filtering effect.

  3. Scintillating scotoma - Wikipedia

    en.wikipedia.org/wiki/Scintillating_scotoma

    Vision remains normal beyond the borders of the expanding scotoma(s), with objects melting into the scotoma area background similarly to the physiological blind spot, which means that objects may be seen better by not looking directly at them in the early stages when the spot is in or near the center. The scotoma area may expand to occupy one ...

  4. List of optical illusions - Wikipedia

    en.wikipedia.org/wiki/List_of_optical_illusions

    A catoptric cistula is a box with insides made of mirrors so as to distort images of objects put into the box. Checker shadow illusion: The checker shadow illusion shows that when a shadow is cast onto a checked board, the colours of squares A and B in the photos appear to be different, when in fact they are the same. Chubb illusion

  5. Overview of common vision problems and medications - AOL

    www.aol.com/overview-common-vision-problems...

    Medication is sometimes necessary to treat eye conditions and vision problems. Of course, this is highly dependent on the condition. Sometimes, the better option might be surgery, corrective wear ...

  6. Scotoma - Wikipedia

    en.wikipedia.org/wiki/Scotoma

    A scotoma is an area of partial alteration in the field of vision consisting of a partially diminished or entirely degenerated visual acuity that is surrounded by a field of normal – or relatively well-preserved – vision. Every normal mammalian eye has a scotoma in its field of vision, usually termed its blind spot.

  7. If You’re Seeing Spots or Flashes In Your Vision, It Could Be ...

    www.aol.com/means-seeing-spots-flashes-vision...

    Ocular migraines affect your vision in one or both eyes. Here, experts share ocular migraine symptoms, causes, and treatments.

  8. Illusory palinopsia - Wikipedia

    en.wikipedia.org/wiki/Illusory_palinopsia

    Illusory palinopsia is often worse with high stimulus intensity and contrast ratio in a dark adapted state.Multiple types of illusory palinopsia often co-exist in a patient and occur with other diffuse, persistent illusory symptoms such as halos around objects, dysmetropsia (micropsia, macropsia, pelopsia, or teleopsia), Alice in Wonderland Syndrome, visual snow, and oscillopsia.

  9. White dot syndromes - Wikipedia

    en.wikipedia.org/wiki/White_dot_syndromes

    The fundus presents with yellow or gray lesions (white dots) at the level of the choroid and retinal pigment epithelium. The size of the white dots are between 50 and 500 micrometres and localized in the macula. The disease is characterized by vitritis and anterior chamber inflammation. Decreased vision due to vitreous inflammation may occur.