A
ABK Aphakic bullous keratopathy
ABMD or EBMD Anterior (or epithelial) basement membrane dystrophy
AC Anterior chamber
AC/A Accommodative convergence/accommodation angle
ACIOL Anterior chamber intraocular lens
AFB Acid-fast bacillus
AFGE Air-fluid gas exchange
AFX Air-fluid exchange
AGIS Advanced Glaucoma Intervention Study
AION Arteritic ischemic optic neuropathy
AK Astigmatic keratotomy
ALT Argon laser trabeculoplasty
AMD Age-related macular degeneration
AMT Amniotic membrane tissue or transplant
APMPPE Acute posterior multifocal placoid pigment epitheliopathy
Anti-VEGF Anti-vascular endothelial growth factor
APD or RAPD (Relative) afferent pupillary defect
ARC Abnormal retinal correspondence
ARN Acute retinal necrosis
ASC Anterior subcapsular cataract
ASP Anterior stromal puncture
AV Arteriovenous
AZOOR Acute zonal occult outer retinopathy
B
BCVA Best corrected visual acuity
BDR Background diabetic retinopathy
BRAO Branch retinal artery occlusion
BRVO or BVO Branch retinal vein occlusion
BSCL Bandage soft contact lens
BSS Balanced salt solution
Bx Biopsy
C
C3F8 Perfluoropropane
CACG Chronic angle closure glaucoma
CAI Carbonic anhydrase inhibitor
CAR Cancer-associated retinopathy
CB Ciliary body
CBC Complete blood count
CCF Carotid-cavernous (sinus) fistula
CCT Central corneal thickness
C/D Cup/disc ratio
CE Cataract extraction
C/F Cell/flare
CF Count fingers
CHED Congenital hereditary endothelial dystrophy
CHRPE Congenital hypertrophy of the retinal pigment epithelium
CIN Conjunctival intraepithelial neoplasia
CL Contact lens
CLW Contact lens wearer
CME Cystoid macular edema
CMV Cytomegalovirus
CN Cranial nerve
CNV or CNVM Choroidal neovascularization or choroidal neovascular membrane
CPA Cerebellopontine angle
CPC Cyclophotocoagulation
CPEO Chronic progressive external ophthalmoplegia
CRA Chorioretinal atrophy or central retinal artery
CRAO Central retinal artery occlusion
CRVO or CVO Central retinal vein occlusion
CSCR or CSR Central serous (chorio)retinopathy
CSM Central, steady, and maintained fixation
CSME Clinically significant macular edema
CSNB Congenital stationary night blindness
CVF Confrontation visual field
CVOS Central Vein Occlusion Study
CWS Cotton-wool spot
CXL Corneal crosslinking
D
DALK Deep anterior lamellar keratoplasty
DBD Diamond burr debridement
DCR Dacryocystorhinostomy
DDT Dye disappearance test
DD Disc diameter(s)
DES Dry eye syndrome
DFE Dilated fundus examination
DLK Diffuse lamellar keratitis
DM Diabetes mellitus
DMEK Descemet membrane endothelial keratoplasty
D/Q Deep and quiet
DR Diabetic retinopathy
DRS Diabetic Retinopathy Study
DS(A)EK Descemet stripping (automated) endothelial keratoplasty
DSO Descemet stripping only
DUSN Diffuse unilateral subacute neuroretinitis
DVD Dissociated vertical deviation
E
E Esophoria
EBMD Epithelial basement membrane dystrophy
ECCE Extracapsular cataract extraction
ECD Endothelial cell density
EDTA Ethylenediamine tetraacetic acid
EKC Epidemic keratoconjunctivitis
EL Endolaser
EOG Electrooculogram
EOM Extraocular muscles or motility
ERG Electroretinogram
ERM Epiretinal membrane
ESR Erythrocyte sedimentation rate
ET Esotropia
ETDRS Early Treatment Diabetic Retinopathy Study
EUA Examination under anesthesia
F
FA Fluorescein angiogram
FAF Fundus autofluorescence
FHIC Fuchs heterochromic iridocyclitis
FAZ Foveal avascular zone
FB Foreign body
FBS Fasting blood sugar or foreign body sensation
FEVR Familial exudative vitreoretinopathy
FNA Fine needle aspiration
FTA-ABS Fluorescent treponemal antibody absorption
FTFC Full to finger counting
FTN Finger tension normal
G
GA Geographic atrophy
GC Gonococcus
GCA Giant cell arteritis
GLT Glaucoma Laser Trial
GPC Giant papillary conjunctivitis
H
HA Headache
HM Hand motion
HSV Herpes simplex virus
HT Hypertropia
HVF Humphrey visual field
HZO Herpes zoster ophthalmicus
I
ICCE Intracapsular cataract extraction
ICE Iridocorneal endothelial syndrome
ICG Indocyanine green
IGRA Interferon-gamma release assay
IK Interstitial keratitis
ILM Internal limiting membrane
INO Internuclear ophthalmoplegia
IO Inferior oblique muscle
IOFB Intraocular foreign body
IOIS Idiopathic orbital inflammatory syndrome
IOL Intraocular lens
IOO Inferior oblique overaction
IOP Intraocular pressure
IR Inferior rectus muscle
IRMA Intraretinal microvascular abnormalities
IVFA Intravenous fluorescein angiography
J
JOAG Juvenile open angle glaucoma
JIA Juvenile idiopathic arthritis
JXG Juvenile xanthogranuloma
K
K Keratometry or cornea
K-pro Keratoprosthesis
KCN Keratoconus
KP Keratic precipitates
L
LASER Light amplification by stimulated emission of radiation
LASIK Laser in situ keratomileusis
LASEK Laser subepithelial keratomileusis
LL Lower eyelid
LF Levator function
LP Light perception
LPI Laser peripheral iridotomy
LR Lateral rectus muscle
LTG Low-tension glaucoma
M
MA Microaneurysm
MAR Melanoma-associated retinopathy
MCE Microcystic corneal edema
ME Macular edema
MEWDS Multiple evanescent white dot syndrome
MG Myasthenia gravis
MGD Meibomian gland dysfunction
MHA-TP Microhemagglutination assay for Treponema pallidum
MIGS Microinvasive glaucoma surgery
MM Malignant melanoma
MMC Mitomycin C
MMP Mucous membrane pemphigoid
MP Membrane peel
MPS Macular Photocoagulation Study
MR Medial rectus muscle
MRD Margin to reflex distance
MRSA Methicillin-resistant Staphylococcus aureus
MS Multiple sclerosis
N
NAION Nonarteritic ischemic optic neuropathy
Nd-YAG Neodymium-doped yttrium aluminum garnet (laser)
NFL Nerve fiber layer
NI No improvement
NK Neurotrophic keratopathy or keratitis
NLDO Nasolacrimal duct obstruction
NLP No light perception
NPA Near point of accommodation
NPC Near point of convergence
NPDR Nonproliferative diabetic retinopathy
NRC Normal retinal correspondence
NS Nuclear sclerosis
NTG Normal tension glaucoma
NV (A, D, E, or I) Neovascularization (angle, disc, elsewhere [in retina], or iris)
NVG Neovascular glaucoma
O
OCP Ocular cicatricial pemphigoid
OCS Orbital compartment syndrome
OCT Optical coherence tomography
OD Oculus dexter, or right eye
OHT Ocular hypertension
OIS Ocular ischemic syndrome
OKN Optokinetic nystagmus
ON Optic nerve
OS Oculus sinister, or left eye
OU Oculus uterque, or both eyes
P
P Pupils
PAM Primary acquired melanosis or potential acuity meter
PAS Peripheral anterior synechiae
PBK Pseudophakic bullous keratopathy
PC Posterior chamber
PCIOL Posterior chamber intraocular lens
PCO Posterior capsular opacity
PD Prism diopters or pupillary distance
PDR Proliferative diabetic retinopathy
PDS Pigment dispersion syndrome
PDT Photodynamic therapy
PE Phacoemulsification or physical examination
PED Pigment epithelial detachment
PERRL(A) Pupils equal, round, and reactive to light (and accommodation)
PF Palpebral fissure
PFAT Preservative-free artificial tear
PFV Persistent fetal vasculature
PH Pinhole
PI Peripheral iridectomy/iridotomy
PK Penetrating keratoplasty
PLE Pen light examination
PMD Pellucid marginal degeneration
PMMA Polymethylmethacrylate
POAG Primary open angle glaucoma
POHS Presumed ocular histoplasmosis syndrome
PORN Progressive outer retinal necrosis
PPCD Posterior polymorphous corneal dystrophy
PPD Purified protein derivative
PPL Pars plana lensectomy
PPV Pars plana vitrectomy
PRP Panretinal photocoagulation
PRK Photorefractive keratectomy
PSC Posterior subcapsular cataract
PTK Phototherapeutic keratectomy
PVD Posterior vitreous detachment
PVR Proliferative vitreoretinopathy
PXE Pseudoxanthoma elasticum
PXF Pseudoexfoliation
R
RA Rheumatoid arthritis
RAPD or APD Relative afferent pupillary defect
Rb Retinoblastoma
RCE Recurrent corneal erosion
(R)RD (Rhegmatogenous) retinal detachment
RGP Rigid gas permeable (contact lens)
RK Radial keratotomy
ROP Retinopathy of prematurity
RP Retinitis pigmentosa
RPR Rapid plasma reagin
RPE Retinal pigment epithelium
S
SB Scleral buckle
SCH Subconjunctival hemorrhage
SEI Subepithelial (anterior stromal) infiltrate
SF6 Sulfur hexafluoride
SLE Slit lamp examination or systemic lupus erythematosus
SLK Superior limbic keratoconjunctivitis
SLT Selective laser trabeculoplasty
SMILE Small incision lenticule extraction
SO Superior oblique muscle or sympathetic ophthalmia or silicone oil
SPK Superficial punctate keratopathy or keratitis
SR Superior rectus muscle
SRF Subretinal fluid
SS Scleral spur
SVP Spontaneous venous pulsation
T
T (a,t) Tension or tonometry (applanation, Tonopen)
TBUT Tear break-up time
TED Thyroid eye disease
TIA Transient ischemic attack
TID Transillumination defect
TM Trabecular meshwork
TRD Tractional retinal detachment
TTT Transpupillary thermotherapy
U
UCVA Uncorrected visual acuity
UGH Uveitis-glaucoma-hyphema syndrome
UBM Ultrasound biomicroscopy
UL Upper eyelid
V
VA (cc or sc) Visual acuity (with correction or without correction)
VDRL Venereal Disease Research Laboratory
VER Visual-evoked response
VF Visual field
VH Vitreous hemorrhage
VKH Vogt-Koyanagi-Harada syndrome
VZV Varicella zoster virus
W
WEBOF White-eyed blowout fracture
X
X Exophoria
XT Exotropia
Y
YAG Yttrium aluminum garnet (laser)