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Photodamage of the conjunctiva in patients with porphyria cutanea tarda.
  1. H Hammer and
  2. I Korom
  1. Department of Ophthalmology, Albert Szent-Györgyi Medical University, Szeged, Hungary.


    Ninety two patients with porphyria cutanea tarda (PCT) were examined ophthalmically in a paired case control study. The incidence of pinguecula and of pterygium was 8 and 2 times higher respectively, in PCT patients than in the control group. The photodamage to the conjunctiva is considered to be a result of the photoactivity of uroporphyrin in the tissues.

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