I.N. VORONOVА1, V.M. HOKKANEN2, S.I. SANAEVA1 1Municipal Tuberculosis Dispensary, 12 Zvezdnaya Str., St. Petersburg, Russian Federation, 196158 2Northwestern State Medical University named after I.I. Mechnikov, 1/82 Zanevskiy prospekt, St. Petersburg, Russian Federation, 191015  Voronova I.N. ― ophthalmologist of the Differential-Diagnostic Department, tel. (812) 726-89-80, e-mail: [email protected] Hokkanen V.M. ― D. Med. Sc., Professor of the […]