Resources for young ophthalmologists.

Learn, read, watch and verify, all in one place. Open resources are for everyone; slides, pearls and flash notes are for signed-in members.

YO Times, YO Prisma, YO Slides, YO Flash Notes, YO Pearls and YOSI Bytes.

The Fellowship Navigator, the Ocular Tuberculosis Atlas and more.

YOSI’s official YouTube channel, with the latest uploads.

Your certificates for YOSI activities, and a way to verify them.

IOL power, astigmatism and SIA, LASIK safety and phakic IOL sizing.

Ophthalmology Foundation, MoU partner societies and Retina Rocks.

Eight games, from Lens Pop to Lase-i and the daily crossword, with member leaderboards.