Free · No ads · No sign-up required

Learn the images, not just the words.

RheumLens is a free, image-based rheumatology study tool. Flip through real clinical images — crystals under polarized light, rashes, radiographs, ultrasound, and more — reveal the finding, and train your eye. Built on the ACR Rheumatology Image Library.

Flip cards first

See the image, reveal the finding and teaching point, move on. Fast recognition review — no scoring, no pressure.

Real clinical images

Every card is anchored to an actual image — the kind tested on the boards — so you learn what clinches the diagnosis.

Use it your way

Practice anonymously — nothing required. Or sign in (optional) to save your progress across devices.

Board-style questions coming soon

Scored, image-based questions with distractors and explanations are on the way. Flip cards are live now.