Original Research

Assessment of dry eye signs and symptoms and ocular tolerance of a preservative-free lacrimal substitute (Hylabak®) versus a preserved lacrimal substitute (Systane®) used for 3 months in patients after LASIK

Astakhov YS, Astakhov SY, Lisochkina AB

Clinical Ophthalmology 2013, 7:2289-2297

Published Date: 9 December 2013