OD: right eye
OS: left eye
OU: both eyes
CC: with correction
SC: without correction
BCVA: best-corrected visual acuity
NVA: near visual acuity
PH: pinhole
CF: counting fingers
LP: light perception
NLP: no light perception
RGP: rigid gas permeable contacts
Sph: sphere
Cyl: cylinder
Pharmaceutical abbreviations
QD: once per day
QOD: every other day
QAM: once in the morning
QHS: once at bedtime
BID: twice per day
TID: three times per day
QID: four times per day
Q_hr (Q1hr, Q2hr, etc.): once per x hour(s)
PRN: as needed
Gtt: drop
Ung: ointment
Charting/scribing abbreviations:
UL: upper lids
BUL: bilateral upper lids
LL: lower lids
BLL: bilateral lower lids
AC: anterior chamber
D&Q: deep and quiet
K: corneal keratometry, sometimes shorthand for cornea
IOL: intraocular lens
PCIOL: Posterior Chamber IOL (standard IOL located behind the iris)
ACIOL: Anterior Chamber IOL (located in front of the iris, less common, due to ocular structural abnormalities or surgical complications primarily)
IOP: intraocular pressure
C/D: cup-to-disk ratio
FB: foreign body
PPA: peri-papillary atrophy
DFE: dilated fundus exam
ERM: epiretinal membrane, sometimes referred to as macular pucker
DR: diabetic retinopathy
Hx: history
Dx: diagnosis
DDx: differential diagnosis
LASIK: laser in-situ keratomileusis
PRK: photorefractive keratectomy
FLACS: femtosecond laser-assisted cataract surgery
NS: nuclear sclerotic cataract
PSC: posterior subcapsular cataract
PCO: posterior capsular opacity
POAG: primary open-angle glaucoma
LTG: low tension glaucoma
PVD: posterior vitreous detachment
RD: retinal detachment
RK: radial keratotomy
SPK: superficial punctate keratitis
PEE: punctate epithelial erosions, used to document dry spots on the cornea