Differential Diagnosis and Monitoring of Herpetic Keratitis
Decreased corneal sensitivity played an important role in the diagnosis of herpetic keratitis even before Grüter (1930) could establish the etiology of this condition. Krückmann wrote in 1895 concerning corneal sensitivity: “The threshold is in this disease nearly always increased, not only in the area of the dendritic figure, but all over the cornea.” “Decreased sensitivity of not affected corneal areas is pathognomonic for the superficial herpetic keratitis and is therefore of differential diagnostic value.”
KeywordsThreshold Curve Corneal Disease Herpetic Keratitis Corneal Sensitivity Central Threshold
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