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Thygeson's superficial punctate keratopathy
Thygeson's superficial punctate keratopathy (TSPK; also ''Thygeson Superficial Punctate Keratitis'') is a disease of the eyes. The causes of TSPK are not currently known, but details of the disease were first published in the Journal of the American Medical Association in 1950 by Phillips Thygeson - after whom it is named.〔Thygeson P. ''Superficial punctate keratitis.'' J Am Med Assoc 1950;144:1544-9. PMID 14794375.〕
== Symptoms ==
A patient with TSPK may complain of blurred vision, dry eyes, a sensation of having a foreign body stuck in the eye, photophobia (sensitivity to bright light), burning sensations and watery eyes. On inspection with a slit lamp, tiny lumps can be found on the cornea of the eye. These lumps can be more easily seen after applying fluorescein or rose bengal dye eye-drops. The lumps appear to be randomly positioned on the cornea and they may appear and disappear over a period of time (with or without treatment).
TSPK may affect one or both eyes. When both eyes are affected, the tiny lumps found on the cornea may differ in number between eyes. The severity of the symptoms often vary during the course of the disease. The disease may appear to go into remission, only to later reappear after months or years.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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