Abbreviations in ophthalmology

In order for patients to better understand what a (neuro-)ophthalmologist says and what his reports show, here is an alphabetical list of common English abbreviations used in ophthalmology related tests, diagnosis, treatment and research, limited to what is commonly used with NAAION cases:

AC                                       Anterior chamber
AION                           
      Anterior ischemic optic neuropathy
AAION                            
Arteritic anterior ischemic optic neuropathy
A-Scan   
                         Amplitude scan ultrasound biometry, showing an image of  an eye where a thin, parallel sound beam passes through the eye, imaging one small point through the tissues as it passes.
A/C                                    Anterior chamber
AMD                                Age-related macular degeneration
B-scan                            Brightness scan ultrasound, showing two-dimensional cross-sectional view of the eye as well as the orbit.
BRVO                              Branch retinal vein occlusion
C/D                                   Cup-to-disc ratio of the optic nerve
CF                                     Count fingers visual acuity
CRAO                              Central retinal artery occlusion
CRVO                              Central retinal vein occlusion
CVF                                  Confrontation visual field
GCA                                 Giant cell arteritis
HM                                   Hand motion vision
IOP                                   Intraocular pressure
M&N                               Mydriacyl & Neosynephrine mixture used for pupil dilation
NAION                            Non-arteritic anterior ischemic optic neuropathy
NAAION                        Non-arteritic anterior ischemic optic neuropathy
NLP                                 No light perception
NVD                                Neovascularization of the disc
NVE                                Neovascularization of the retina elsewhere (outside the  disc)
OCT                                Optical Coherence Tomography
OCT-A                           Optical Coherence Tomography Angiography
OD, OS, OU                 Oculus Dexter (right eye), Oculus Sinister (left eye), Oculus Uterque (both eyes)
OHT                                Ocular hypertension
ON                                   Optic neuritis
PERL                             Pupils equal and reactive to light
PF, PA 1%                   Pred Forte eye drops, prednisolone acetate
PH                                   Pinhole
RNFL                             Retinal nerve fiber layer
SD-OCT                       Spectral Domain Optical Coherence Tomography
SLE or SLX                Slit lamp exam
Ta                                    Applanation tonometry
Va                                    Visual acuity
VF                                   Visual field