There are multiple definitions:

1. work for others(English)

   • SNL
   • Practical shorthand
   • https://www.sandia.gov/

2. wavefront optimized(English)

   • refers to transepithelial photorefractive keratectomy in moderate to high astigmatism
   • ACP, CDVA, CWFG, HOA, PRK, UDVA, WFG
   • Ophthalmology, Surgery
   • https://doi.org…ijo.IJO_2921_20