There are multiple definitions:

1. British Medical Association(English)

   • AMA, BMJ, KNMG
   • Organizations (clinical)
   • https://www.bma.org.uk/

2. Bureau Medische Advisering(Dutch)

   • IND, PTSS
   • Decision making, Ethics
   • https://ind.nl/…lieren/7128.pdf

3. bilateral myopic anisometropes(English)

   • annual axial elongations of both eyes are smaller compared to a spectacles wearing control group
   • AL, OK, UMA
   • Ophthalmology
   • https://doi.org…83.2019.1701685