The College of Optometrists

Eye examination terms

AC

Anterior chamber

L/R

L hyperphoria

AC 4/4

grade 4 Anterior chamber angle

LSOT

Left esotropia

AC 3/4

grade 3 Anterior chamber angle

LVA

Low vision aid

AC 2/4

grade 2 Anterior chamber angle

MDU

Mallett distance unit

AC 1/4

grade 1 Anterior  chamber angle

MNU

Mallett near unit

AC 0/4

grade 0 Anterior chamber angle (closed)

M.Wing

Maddox Wing

AC/A

Accommodative convergence/ accommodation ratio

MR

Maddox Rod

Acc

Accommodation

NCT

Non-contact tonometer

Ad

Advised

ND

Neutral density filter

Add

Addition

NPL

No perception of light

AIT

After-image transfer

NPC

Near point of convergence or no previous correction

ALT

Alternating

NRC

Normal retinal correspondence

ALT SOT

Alternating esotropia

NV

Near vision

ALT XOT

Alternating exotropia

NWT

Normal wearing time

ARC

Anomalous retinal correspondence

o symptoms

Zero symptoms

A/V

Arteriole/Venue ratio

horizontal orthophoria symbol

Horizontal orthophoria

BE

Both eyes

Vertical orthophoria symbol

Vertical orthophoria

BIO

Binocular indirect ophthalmoscopy

Horizontal & vertical orthophoria

Horizontal & vertical orthophoria

BSV

Binocular single vision

OCs

Optical centres

BV

Binocular vision

Occ.

Occupation

BVD

Back vertex distance

OH

Ocular history

BVP

Back vertex power

OMB

Oculo motor or muscle balance

CD

Centration distance

ONH

Optic nerve head

C/D

Cup/disc ratio

Oph

Ophthalmoscopy

CF

Count fingers vision – state distance

PD

Pupillary distance

CT

Cover test

PERRLA

Pupils equal, round, reactive to light and accommodation

c/u

Check-up

PH

Pinhole

CW

Close work

PL

Perception of light

Prism dioptre symbol

Prism dioptre

POH

Previous ocular history

D

Dioptres

PPA

Peripapillary atrophy

DC

Dioptres cylinder

Px

Patient

DNA

Did not attend

RAPD

Relative afferent pupillary defect

DOB

Date of birth

RE

Right eye

DS

Dioptres sphere

Ret.

Retinoscopy

DV

Distance vision

RHyperT

Right Hypertropia

DVD

Dissociated vertical divergence

RHypoT

Right Hypotropia

EF

Eccentric fixation

RNFL

Retinal nerve fibre layer

Ext

External (eye)

RPE

Retinal pigment epithelium

FB

Foreign body

RSOT

Right Esotropia

FD

Fixation disparity

Rx

Prescription

FF

Foveal fixation

SLE

Slit lamp examination

FOH

Family ocular history

SLM

Slit lamp microscope

F/U

Follow up appointment

SOP/ESOP

Esophoria

GH

General health

SOT/ESOT

Esotropia

G(M)P

General (medical) practitioner

Supp.

Suppression

HA

Headaches

V

Vision (unaided)

HARC

Harmonious abnormal retinal correspondence

VA

Visual acuity (corrected)

HM

Hand motion vision – state distance

VAL

Left visual acuity

Hx

History

VAR

Right visual acuity

IOL

Intra-ocular lens implant

VDU

Visual display unit

IOP

Intra-ocular pressure

VF

Visual field

ISNT

Inferior, Superior, Nasal, Temporal (rule used to assess optic disc appearance)

VPS

Variable prism stereoscope

K

Keratometry

WD

Working distance

LE

Left eye

X/12

X months

LHyperT

Left hypertropia

X/52

X weeks

LHypoT

Left hypotropia

X/7

X days

LOs

Lenticular opacities

XOP/EXOP

Exophoria

L/R FD

L/R fixation disparity

XOT/EXOT

Exotropia

NB: NAD is frequently used but is not recommended

 

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