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  2. Effects of long-term contact lens wear on the cornea - Wikipedia

    en.wikipedia.org/wiki/Effects_of_long-term...

    Long-term contact lens use can lead to alterations in corneal thickness, stromal thickness, curvature, corneal sensitivity, cell density, and epithelial oxygen uptake, etc. Other changes may include the formation of epithelial vacuoles and microcysts (containing cellular debris) as well as the emergence of polymegethism in the corneal endothelium.

  3. Visual snow syndrome - Wikipedia

    en.wikipedia.org/wiki/Visual_snow_syndrome

    Uncommon (understudied) 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 ...

  4. Exploding head syndrome - Wikipedia

    en.wikipedia.org/wiki/Exploding_head_syndrome

    Exploding head syndrome ( EHS) is an abnormal sensory perception during sleep in which a person experiences auditory hallucinations that are loud and of short duration when falling asleep or waking up. [ 2][ 4] The noise may be frightening, typically occurs only occasionally, and is not a serious health concern. [ 2]

  5. Red ear syndrome - Wikipedia

    en.wikipedia.org/wiki/Red_ear_syndrome

    Red ear syndrome. A red ear syndrome attack, with affected ear on the left. Red ear syndrome ( RES) is a rare disorder of unknown etiology which was originally described in 1994. The defining symptom of red ear syndrome is redness of one or both external ears, accompanied by a burning sensation. [ 1] A variety of treatments have been tried with ...

  6. Waardenburg syndrome - Wikipedia

    en.wikipedia.org/wiki/Waardenburg_syndrome

    Waardenburg syndrome is a group of rare genetic conditions characterised by at least some degree of congenital hearing loss and pigmentation deficiencies, which can include bright blue eyes (or one blue eye and one brown eye ), a white forelock or patches of light skin. These basic features constitute type 2 of the condition; in type 1, there ...

  7. Periorbital dark circles - Wikipedia

    en.wikipedia.org/wiki/Periorbital_dark_circles

    Minor dark circles and a hint of periorbital puffiness —a combination principally suggestive of minor sleep deprivation. Periorbital dark circles (including dark circles of the lower eyelid) are dark blemishes around the eyes. There are many causes of this symptom, including heredity and bruising. [1]

  8. Closed-eye hallucination - Wikipedia

    en.wikipedia.org/wiki/Closed-eye_hallucination

    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 ...

  9. If You Can Believe Your Eyes and Ears - Wikipedia

    en.wikipedia.org/wiki/If_You_Can_Believe_Your...

    If You Can Believe Your Eyes and Ears. If You Can Believe Your Eyes and Ears is the debut album from vocal group The Mamas & the Papas (stylized as The Mama's and the Papa's [ sic ]), released on February 28, 1966. The stereo mix of the album is included on All the Leaves are Brown (2001), a double CD compilation consisting of the band's first ...

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