231 abbreviations
Abbreviation Meaning
OZD Optic zone diameter
P Pharmacy (drug)
PD Pupillary distance
PDR Proliferative diabetic retinopathy
PDT Photodynamic therapy
PEARS Primary Eyecare Acute Referral Scheme
PERRLA Pupils equal, round, reactive to light and accommodation
PH Pinhole
PK Penetrating keratoplasy
PL Perception of light
PMMA Polymethyl methacrylate
POAG Primary open-angle glaucoma
POH Previous ocular history
POM Prescription-only medicine
PPA Peri-papillary atrophy
PPDR Preproliferative diabetic retinopathy
PRA Pan-retinal ablation
PRK Photorefractive keratectomy
prn When required
PRP Pan-retinal photocoagulation
PSCC Posterior sub-capsular cataract
Pt Patient
PVD Posterior vitreous detachment
q Every (e.g. q2h – every two hours)
qds/qid Four times a day
RAPD Relative afferent pupillary defect
RD Retinal detachment
RE Right eye
Ret. Retinoscopy
RGP Rigid-gas-permeable
RHyperT Right hypertropia
RHypoT Right hypotropia
RK Radial keratotomy
RNFL Retinal nerve fibre layer
RP Retinitis pigmentosa
RPE Retinal pigment epithelium
RSOT Right esotropia
Rx Prescription
SCL Soft contact lens
SEAL Superior epithelial arcuate lesion
SiH Silicone hydrogel
SLE Slit lamp examination
SLK Superior limbic keratoconjunctivitis
SLM Slit lamp microscope
SPEE Superficial punctate epithelial erosions
SPK Superficial punctate keratitis
Supp. Suppression
Sx Symptoms
T1 diab Type 1 diabetes
T2 diab Type 2 diabetes