ARVO is the largest and most respected eye and vision research organization in the world. Our members include nearly 12,000 researchers from over 75 countries. ARVO encourages and assists research, training, publication and knowledge-sharing in vision and ophthalmology. The ARVO Annual Meeting is the largest gathering of eye and vision researchers in the world, attracting over 11,000 attendees from more than 75 countries. The meeting takes place every May. The science is the most important reason to attend the ARVO Annual Meeting, which showcases the latest vision research through over 6,000 poster and paper sessions, lectures, workshops, symposia and networking events.