There are multiple definitions:

1. optokinetic stimulation(English)

   • information from the visual system may modulate the condition of the motor program before the onset of movement
   • OKR
   • Ophthalmology, Musculoskeletal system
   • https://doi.org…0102(93)90015-i

2. Oxford knee score(English)

   • a 12-item patient-reported PRO specifically designed and developed to assess function and pain after total knee replacement
   • ADLS, AKPS, ICOAP, IKDC, KOOS, KOS, LKS, OAKHQOL, OAQoL, PFPSS, PRO, TKR, WOMAC
   • Knee, Scoring systems/scales, Pain
   • https://doi.org…lthcare10091631