Pre – Operative Evaluation & Preparation

Sr. Vimala

Aravind Eye Hospital, Coimbatore

Why it is IMPORTANT ?

Eye surgeries are done under very strict

aseptic precaution.

Any compromise may cause sight

threatening disaster.

Hence Pre-operative evaluation &

preparation is very important in eye

surgeries.

Pre – Operative Evaluation

Visual acuity – distant and near

[ in all mature cataract – PL & PR ]

Retinoscopy

Slit lamp Examination

Dilated fundus Examination

Intraocular Pressure

Duct Not Free - Culture

Partially free, Free – No culture

Any pustules, Chalazion, Conjunctival

congestion, discharge, lid hygiene

If present, appropriate treatment, culture

and sensitivity

Pre operative medications

Antibiotic eye drops 1 hourly

Mydriatic eye drop

Tab Diazepam/Tab Alprax

If one eyed – all precautions to be taken

including culture and sensitivity

Other eye status – any active infections to

be ruled out

Cardio Vascular System

Respiratory System

DM

Diabetic foot ulcer

Skin infection, dental caries,

ear discharge

General examination

Conjunctiva Cornea :

opacity,degeneration,dystrophy,guttaeAC : depth / reactionIris : synechiae,coloboma,PXFPupil : Reaction

-if irregular, suspect posterior synechiae,poor dilatation - PXF

SLIT LAMP EXAMINATION

Lens : type of cataract,subluxation

Fundus : after full dilatation

to R/o Diabetic / HTN

Retinopathy / ARMD etc to explain

the visual prognosis.

Urine Investigation

Urine sugars

Blood investigation

Blood sugars – RBS

If diabetic

• Fasting

• Post Prandial

Blood pressure

Povidone iodine cleaning of the periorbital

area.

A – Scan biometry

SPECIAL TESTSB scan : Complicated / Traumatic / MC

Miopia,MC with RD in other eye

PR inaccurate

IOFB

TO EXPLAIN ABOUT VISUAL PROGNOSIS

Pre-op Preparation