Ophthalmic Abbreviations

Acc

Accommodation

OD

Oculus Dexter - Right eye

OS

Oculus Sinister - Left eye

OU

Oculus Uterque - Both eyes

PH

Pin hole

PHNI

Pin hole, no improvement

Va

Visual acuity

mm

Millimeter

sc

without correction

cc

with correction

HM

Hand motion

LP

Light perception

LPcP

Light perception with projection

LPsP

Light perception without projection

NLP

No light perception

-

No natural eye. Used when doing acuities on someone without an eye on that side. [20/-]. This is THE ONLY time this should be used.

EOM

Extra ocular muscle

EXO

Out

XP

Exophoria

XT

Exotropia

ESO

In

EP

Esophoria

ET

Esotropia

IOP

Intra-ocular pressure

ung

Ointment

Kp's

Keratic percipitates

PSC

Posterior sub-capsular cataract

PERRLA

Pupils Equally Round & Reactive to Light and Accommodation

APD

Afferent Pupillary Defect

sph

spherical

PD

Interpupillary Distance

NPA

Near Point of Accommodation

NPC

Near Point of Convergence

BO

Base Out

BI

Base In

BD

Base Down

BU

Base Up

bid

twice a day

tid

three times a day

qid

four times a day

qd

Once a day

hs

At bedtime

P.O.

By mouth