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  2. Signs and symptoms of Graves' disease - Wikipedia

    en.wikipedia.org/wiki/Signs_and_symptoms_of...

    Dry eyes (due to loss of corneal moisture). [24] A sense of irritation, discomfort, or pain in the eyes. A tingling sensation behind the eyes or the feeling of grit or sand in the eyes. Excessive tearing that is often made worse by exposure to cold air, wind, or bright lights. Swelling or redness of the eyes. Stare; Lid lag (Von Graefe's sign)

  3. Blepharospasm - Wikipedia

    en.wikipedia.org/wiki/Blepharospasm

    Blepharospasm usually begins with occasional twitches of both eyelids, which progress over time to forceful and frequent spasms and contractions of the eyelids. In severe episodes, the patient cannot open their eyelids (apraxia), which severely limits their daily activities. Prolonged closure of the eyelids may result in functional blindness. [4]

  4. Psychic staring effect - Wikipedia

    en.wikipedia.org/wiki/Psychic_staring_effect

    A 1913 study by John E. Coover asked ten subjects to state whether or not they could sense an experimenter looking at them, over a period of 100 possible staring periods. . The subjects' answers were correct 50.2% of the time, a result that Coover called an "astonishing approximation" of pure chance.

  5. Spray foam - Wikipedia

    en.wikipedia.org/wiki/Spray_foam

    Isocyanates are powerful irritants to the eyes and gastrointestinal as well as the respiratory tracts. Direct skin contact with isocyanates can also cause marked inflammation. Some people say that their eyes feel like they have sand in them at the onset of problems. Some break out in a rash on their arms, chest, and neck.

  6. Postorgasmic illness syndrome - Wikipedia

    en.wikipedia.org/wiki/Postorgasmic_illness_syndrome

    The distinguishing characteristics of POIS are: the rapid onset of symptoms after orgasm; the presence of an overwhelming systemic reaction. [1]POIS symptoms, which are called a "POIS attack", [1] can include some combination of the following: cognitive dysfunction, aphasia, severe muscle pain throughout the body, severe fatigue, weakness, and flu-like or allergy-like symptoms, [4] such as ...

  7. Visual snow syndrome - Wikipedia

    en.wikipedia.org/wiki/Visual_snow_syndrome

    Visual snow: dynamic, continuous, tiny dots observed across the entire visual field at any time of the day, regardless of lighting conditions, persisting for more than three months. The dots are usually black/gray on a white background and gray/white on a black background; however, they can also be transparent, white flashing, or colored.

  8. Photokeratitis - Wikipedia

    en.wikipedia.org/wiki/Photokeratitis

    Photokeratitis is known by a number of different terms, including snow blindness, arc eye, welder's flash, sand eyes, bake eyes, corneal flash burns, flash burns, niphablepsia, or keratoconjunctivitis photoelectrica.

  9. Scincus scincus - Wikipedia

    en.wikipedia.org/wiki/Scincus_scincus

    The tail is short, tapering to a fine point. The coloration of this species is considered attractive, being yellow-caramel with brown-black cross bands. This lizard also has bead-like eyes so it can close them to keep sand out of its eyes. Similarly, its nostrils are very small to keep all of the sand out of its nose and lungs. [10]