For citations:
Sakhnov S.N., Yanchenko S.V., Malyshev A.V., Kalantaevskaya Y.A., Ismaylova R.A., Ehieva E.M., Grishenko M.V., Gorbunova I.V., Ozhug O.F., Klokova O.A. Dry Eye Epidemiology in Patients before Refractive Operations. Ophthalmology in Russia. 2018;15(1):92-101. (In Russ.) https://doi.org/10.18008/1816-5095-2018-1-92-101