The present pilot study seeks to investigate the best fitting treatment regime of moderate-to-severe DED with C-NAC compared to preservative-free, Hyaluronic-acid containing eyedrops (Hylo-Vision® sine) by applying a randomized, prospective, adaptive, controlled design.
Aim of this pilot study is to evaluate the best treatment regime of Chitosan-N-Acetylcysteine (Lacrimera®) compared to preservative-free, Hyaluronic-acid containing eyedrops (Hylo-Vision® sine).