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  • Title: Ocular characteristics in nephropathia epidemica or Puumala virus infection.
    Author: Kontkanen M, Puustjärvi T, Kauppi P, Lähdevirta J.
    Journal: Acta Ophthalmol Scand; 1996 Dec; 74(6):621-5. PubMed ID: 9017055.
    Abstract:
    PURPOSE: We documented the largest series so far concerning the ocular characteristics of nephropathia epidemica. METHODS: A total of 37 consecutive nephropathia epidemica patients underwent a comprehensive ophthalmic examination during hospitalization for systemic infection, and a control examination after recovery. RESULTS: The most common ocular symptoms were: frontal headache or periocular pain (75.6%), blurred vision (54.1%) and photophobia (10.8%). The best corrected visual acuity of 7 patients (18.9%) was reduced during the acute phase as compared to the later control examination. Myopic shift was found in 15 patients (40.5%), three of whom (8.1%) developed real transient myopia. There were no attacks of angle closure glaucoma in this series. On the contrary, the intraocular pressure was decreased in 49 eyes (66.2%) during the acute stage of the disease. Lid edema was present in 28 eyes (37.8%), conjunctival injection in 20 eyes (27.0%), chemosis in 8 eyes (10.8%) and subconjuctival bleeding in 3 eyes (4.1%). Signs of acute anterior uveitis were found in 10 eyes (13.5%), however, this resolved without treatment. In one eye retinal edema with hemorrhages was detected. Ultrasonography revealed narrowing of the anterior chamber during the acute phase in 69 eyes (93.2%) and thickening of the crystalline lens in 64 eyes (86.5%). CONCLUSION: Ophthalmic findings in nephropathia epidemica are not uncommon. The symmetry of the clinical manifestations reflects the systemic nature of the underlying infection.
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