Sirpa Loukovaara1, Petri Järventausta2, Veli-Jukka Anttila3. 1. Unit of Vitreoretinal Surgery, Ophthalmology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland. 2. Unit of Anterior Segment Surgery, Ophthalmology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland. 3. Inflammation Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.