There are multiple definitions:

1. open surgical drainage(English)

   • after elective hepatectomy remains widely used despite data suggesting limited benefit
   • ACS, NSQIP, RR, SSI
   • Surgery, Hepatology
   • https://doi.org…urg.2016.09.004

2. ocular surface disease/disorder(English)

   • along with hyperemia the most common adverse events of topical ocular medications. Preservatives, which are intended to prevent bacterial growth, are toxic as well
   • PF
   • Ophthalmology, Adverse effect, Bacteriology, Allergy
   • https://doi.org…47/OPTH.S269586

3. open spinal dysraphism(English)

   • occurs when a segment of the spinal cord and meninges protrudes through a bony defect in the midline of the back and is exposed to the environment
   • CNS, ARM, CRS, CSD, CSF, DST, LDM, LSS
   • Spine (or spinal cord), Rehabilitation, Ultrasound
   • https://doi.org…60361-2.50018-1
   • https://doi.org…055-022-00722-2