seronegative spondyloarthritis

Can’t See Can’t Be Can’t Climb A Tree? Because common systems involved include the eye, the urinary system, and the hands and feet, one clinical mnemonic in reactive arthritis is “Can’t see, can’t pee, can’t climb a tree.” The classic triad consists of: Conjunctivitis. Nongonococcal urethritis. Can’t see can’t pee cant bend the knee? Description.