There are multiple definitions:

1. hand osteoarthritis(English)

   • a common and a complex chronic disease, characterized by pain and functional disability. Specifically it manifests itself as stiffness, decreased range of motion, swelling, and joint damage that can lead to deformities and a decline in grip strength
   • Disability, Pain
   • https://doi.org…598-021-85054-3

2. higher-order aberration(English)

   • patients receiving DMEK display only slight changes in posterior corneal HOAs
   • BSCVA, DMEK, DSAEK, PK, tPRK, IOL, SA, EDoF, LASIK
   • Ophthalmology, Surgery
   • https://doi.org…tha.2011.08.034
   • https://doi.org…000000000000296
   • https://doi.org…crs.2004.10.037