Dear colleagues and friends, Black Sea Ophthalmological Society and Ophthalmological Association from Moldova are delighted to welcome you at XIXth BSOS Congress, an event that takes place virtually, September 24-26, 2021, Chisinau, Republic of Moldova. This Congress brings together chairpersons, speakers, and practitioners that will share and analyze the most relevant problems in Ophthalmology. The main topics addressed during the congress are: • Cataract & Refractive Surgery • Cornea and External Eye Diseases • Glaucoma • Neuro-Ophthalmology • Oculoplastic & Oncology • Paediatric Ophthalmology & Strabismus • Retina • Uveitis • Multidisciplinary Also, it is organized Workshops for residents and young doctors. We hope that this event is a good time and an optimal opportunity for the exchange of knowledge, which will generate new ideas and practical skills in the therapy of ophthalmological diseases discussed during the congress.