In legitimate optometry, "GID" is not a recognized abbreviation (Glaucoma is GLC, Intraocular pressure is IOP). GID is, however, a historic (now out-of-date) abbreviation for Gender Identity Disorder . It is also a common tag in video file names that have been miscategorized or corrupted.
Like most GiD content, the appeal lies in the subversion of authority. The character starts as a confident professional but is eventually incapacitated or restrained, shifting the power dynamic to the "antagonist" (often an off-camera figure or another performer). Visual Style: