There are multiple definitions:

1. Centraal orgaan Opvang Asielzoeker(Dutch)

   • IGZ
   • Organizations (governmental)

2. Certified Ophthalmic Assistant(English)

   • ABOC, AOA, COE, COMT, COT, CRA, NCLEC, OCS
   • Ophthalmology, Specialist / expert

3. clinical outcome assessment(English)

   • EAD, LSS
   • Quality and outcomes, Spine (or spinal cord), Surgery
   • https://doi.org…390/jcm12196172