NBEO ABBREVIATIONS LIST (sorted alphabetically) Δ prism diopter b.i.d. twice a day (bis in die) (H) high BIM base in minus (L) low BO base out AB absolute BOP base out plus Ab antibody BP blood pressure AC IOL anterior chamber intraocular lens BPH benign prostatic hyperplasia AC/A accommodative convergence/accommodation bpm beats per minute AC IOL anterior chamber intraocular lens BRAO branch retinal artery occlusion ACE angiotensin-converting enzyme BRVO branch retinal vein occlusion ACH acetylcholine BU base up AChR acetylcholinesterase receptor antibodies BUN blood urea nitrogen ACT activated coagulation time BVA best or best-corrected visual acuity ACTH adrenocorticotropic hormone C/D cup-to-disc ratio ADD attention deficit disorder CA cancer ADHD attention deficit hyperactivity disorder CA-125 cancer antigen 125 AIDS acquired immune deficiency syndrome CABG coronary artery bypass graft AION anterior ischemic optic neuropathy CAD coronary artery disease ALKP alkaline phosphatase CB ciliary body ALT argon laser trabeculoplasty CBB ciliary body band ALT alanine aminotransferase CBC complete blood count ANA anti-nuclear antibodies CCA common carotid artery ANCA antineutrophilic cytoplasmic antibodies CE cataract extraction AREDS Age-Related Eye Disease Study CEA carotid endarterectomy ARMD age-related macular degeneration CF counting fingers ASA acetylsalicylic acid CHF congestive heart failure AST aspartate aminotransferase CK creatine kinase AT-III antithrombin III CL contact lens BAT brightness acuity test cm centimeter BD base down CME cystoid macular edema BI base in CMS Centers for Medicare & Medicaid Services NBEO ABBREVIATIONS LIST (sorted alphabetically) CN cranial nerve DMEK Descemet membrane endothelial keratoplasty CNVM choroidal neovascular membrane DNA deoxyribonucleic acid CO2 carbon dioxide DS diopter sphere Descemet stripping automated endothelial COPD chronic obstructive pulmonary disease DSAEK keratoplasty CPAP continuous positive airway pressure DSEK Descemet stripping endothelial keratoplasty cpm cycles per minute ECA external carotid artery CRAO central retinal artery occlusion ECCE extracapsular cataract extraction CRF chronic renal failure ED effective diameter CRI chronic renal insufficiency EDTA ethylenediaminetetraacetic acid CRP C-reactive protein EKC epidemic keratoconjunctivitis CRT corneal refractive therapy ELISA enzyme-linked immunosorbent assay CRVO central retinal vein occlusion EMG electromyogram CSF cerebrospinal fluid ENT ear, nose, and throat CSME clinically significant macular edema EOM extraocular muscle CT computed tomography ER emergency room CTA computed tomography angiography ERG electroretinography/electroretinogram CV cell volume ERM epiretinal membrane CVA cerebrovascular accident ESR erythrocyte sedimentation rate CXL corneal collagen cross-linking ET esotropia d day ETOH ethanol D diopter F Fahrenheit DALK deep anterior lamellar keratoplasty FA fluorescein angiography DBL distance between lenses FDT frequency-doubling technology DC diopter cylinder fL femptoliter DEM Developmental Eye Movement Test FT flat top DFE dilated fundus examination FT4 free thyroxine DJD degenerative joint disease FTA-ABS fluorescent treponemal antibody absorption test Dk permeability coefficient FTFC full to finger counting dL deciliter g gram DM diabetes mellitus G-6-PD glucose-6-phosphate dehydrogenase deficiency NBEO ABBREVIATIONS LIST (sorted alphabetically) GERD gastroesophageal reflux disease ICP intracranial pressure GI gastrointestinal IgG immunoglobulin G gm gram IgM immunoglobulin M GP CL gas permeable contact lens IM intramuscular gt drop (gutta) INR International Normalized Ratio gtt drops (guttae) IOL intraocular lens GVF Goldmann visual field IOP intraocular pressure h hour (hora) IU International Unit H horizontal IV intravenous HA headache K keratometry reading Hct hematocrit K thousand HCTZ hydrochlorothiazide KP keratic precipitates HDL high-density lipoprotein L liter Hgb hemoglobin LASEK laser-assisted subepithelial keratomileusis HgbA1C Hemoglobin A1C or glycosylated hemoglobin LASIK laser-assisted in-situ keratomileusis HIV human immunodeficiency virus LDL low-density lipoprotein HLA-B27 human leukocyte antigen B27 LEE last eye exam HM hand motion LP lumbar puncture hr hour LPI laser peripheral iridotomy HRR Hardy, Rand and Rittler M million HRT Heidelberg retinal tomograph MAOI monoamine oxidase inhibitor h.s. at bedtime MCH mean corpuscular hemoglobin HSK herpes simplex keratitis MCHC mean corpuscular hemoglobin concentration HTN hypertension MCV mean corpuscular volume HVF Humphrey visual field MEM monocular estimation method HVID horizontal visible iris diameter meq milliequivalent ICA internal carotid artery MFBF monocular fixation in binocular field ICCE intracapsular cataract extraction mg milligram ICG indocyanine green MGD meibomian gland dysfunction microhemagglutination assay to Treponema ICL implantable collamer lens MHA-TP pallidum Ab NBEO ABBREVIATIONS LIST (sorted alphabetically) MI myocardial infarction OAD overall diameter MIGS minimally invasive glaucoma surgery OCT optical coherence tomography mL milliliter OCTA optical coherence tomography angiography mm millimeter OD right eye (oculus dexter) mmHg millimeters of mercury ONH optic nerve head mmol millimole ophth ophthalmic MPV mean platelet volume OS left eye (oculus sinister) MRA magnetic resonance angiography OSHA Occupational Safety & Health Administration MRI magnetic resonance imaging OSSN ocular surface squamous neoplasia MRSA methicillin-resistant Staphylococcus aureus OTC over the counter MRV magnetic resonance venography OU both eyes (oculi uniter) MS multiple sclerosis PAL progressive addition lenses NaCl sodium chloride PAM potential acuity measure NAION nonarteritic anterior ischemic optic neuropathy PAS peripheral anterior synechiae Nd:YAG neodymium-doped yttrium aluminum garnet PC IOL posterior chamber intraocular lens NaFl fluorescein sodium PCN penicillin ng nanogram PD pupillary distance NKDA no known drug allergies PDR proliferative diabetic retinopathy NKMA no known medical allergies PED pigment epithelial detachment NLP no light perception PEE punctate epithelial erosion NPC near point of convergence PERRL pupils equal, round and reactive to light NPDR nonproliferative diabetic retinopathy PET positron emission tomography NRA negative relative accommodation pg picogram NS nuclear sclerosis PH pinhole NSAID non-steroidal anti-inflammatory drug PHMB polyhexamethylene biguanide NTG normotensive glaucoma PHNI pinhole no improvement NVD neovascularization of the disc PI peripheral iridectomy/iridotomy NVE neovascularization elsewhere PKP penetrating keratoplasty NVG neovascular glaucoma PMMA polymethyl methacrylate NVI neovascularization of the iris p.o. by mouth (per os) NBEO ABBREVIATIONS LIST (sorted alphabetically) POAG primary open-angle glaucoma RNFL retinal nerve fiber layer POHS presumed ocular histoplasmosis syndrome RPE retinal pigment epithelium PPD purified protein derivative RPR rapid plasma reagin PRA positive relative accommodation Rx prescription PRK photorefractive keratectomy SC Sclemm’s canal PRN as needed (pro re nata) SCL soft contact lens PRP panretinal photocoagulation SD-OCT spectral domain optical coherence tomography PSA prostate-specific antigen sec second PSC posterior subcapsular cataract SITA Swedish interactive threshold algorithm PSV peak systolic velocity SL Schwalbe’s line PT prothrombin time SLE systemic lupus erythematosus PTK phototherapeutic keratectomy SLT selective laser trabeculoplasty PTSD post-traumatic stress disorder SMILE small incision lenticule extraction PTT partial thromboplastin time SOB shortness of breath PVD posterior vitreous detachment sph sphere PVR proliferative vitreal retinopathy spk superficial punctate keratitis q each, every (quaque) SS scleral spur q.h.s. at bedtime (quaque hora somni) SSA Sjogren syndrome antibody q.i.d. four times a day (quater in die) SSB/La Sjogren syndrome antibody B / autoantigen La qXh every X hours (quaque X hora) STAT immediately (statim) RA rheumatoid arthritis susp suspension RAPD relative afferent pupillary defect SWAP short wavelength automated perimetry RB rose bengal tab tablet RBC red blood cell TBUT tear break-up time RBC/ red blood cell / high power field TCA tricyclic antidepressant HPF RD retinal detachment TIA transient ischemic attack RDS respiratory distress syndrome t.i.d. three times per day (ter in die) RDW-CV red cell distribution width – coefficient of variation TM trabecular meshwork RF rheumatoid factor TRT thermal relaxation time RK radial keratotomy TSH thyroid stimulating hormone NBEO ABBREVIATIONS LIST (sorted alphabetically) TTN to the nose U unit ung ointment (unguentum) URI upper respiratory infection UTI urinary tract infection UV ultraviolet V vertical VA visual acuity VEGF vascular endothelial growth factor VEP visual evoked potential Vert vertebral artery VF visual field VMD2 vitelliform macular dystrophy 2 VMI visual motor integration WBC white blood cell WBC/ white blood cell / high power field HPF XT exotropia YAG yttrium aluminum garnet µg microgram µIU microInternational Unit µL microliter µm micrometer µm3 cubic micrometer µU microUnit Updated 9/4/20 .