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Veterinary Ocular Surgery Guide

This document outlines the steps for a clinical examination of the eye in animals undergoing ocular surgery. The examination involves physically examining the eye to check for injuries, swelling, discharge or foreign bodies. Various tests are also described to check the cornea, intraocular pressure, retina, tear production and drainage, and to identify infections or blockages. Laboratory examinations including bacterial cultures, corneal staining tests and imaging tests are also listed to further evaluate any abnormalities or issues.

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Kirti Jamwal
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200 views2 pages

Veterinary Ocular Surgery Guide

This document outlines the steps for a clinical examination of the eye in animals undergoing ocular surgery. The examination involves physically examining the eye to check for injuries, swelling, discharge or foreign bodies. Various tests are also described to check the cornea, intraocular pressure, retina, tear production and drainage, and to identify infections or blockages. Laboratory examinations including bacterial cultures, corneal staining tests and imaging tests are also listed to further evaluate any abnormalities or issues.

Uploaded by

Kirti Jamwal
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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CLINICAL EXAMINATION – OCULAR SURGERY

CLINICAL EXAMINATION – OCULAR SURGERY

Physical examination:
• Sedate/anaesthetize the animal using appropriate anaesthetic technique.
• Properly restrain the animal.
• Clean the affected eye thoroughly to remove the exudates/dirt/dust etc.
• Do inspection in daylight to see any injury, discharge, abnormal
movements of the eye.
• Do detailed examination in dark environment using ophthalmoscope
• General examination:
1. Notice rubbing of eyes which depicts pain.
2. If eyes are closed do examination under appropriate regional block.
3. Do ‘blind test’ if required. See for movements of eyes in response to
moving objects. Make the animal move using multiple obstacles in an
area free from odor and noise.
4. Check various eye reflexes like corneal, palpebral and nictitating.
5. Check for swelling, foreign bodies, ocular growths, abnormal
discharge. For example swelling in blepharitis, chemosis, abscess, tumor
etc.
6. Examine cornea and outer segments using light source. Oblique
illumination helps to see embedded foreign body in cornea, corneal
oedema and anterior synechia. Slit lamp illumination allows better
visualization of outer part of eye.
1. Tonometery: Intraocular pressure can be measured with the help of
Schiotz’s tonometer.
2. Ophthalmoscopy: It is used to examine fundic lesions, injuries,
growths etc. Most suited to examine the retina and vitreous body through
pupil.
3. Test for blindness.
4. Schirmer tear test.
Laboratory examination:
• Bacteriological examination: Helps in microbial culture and
sensitivity test.
1. Direct swabbing from conjunctival sac.
2. Scrapings from conjunctiva, cornea and eyelid margins.
• Corneal staining: Used to ascertain the extent and depth of the
corneal ulcers.
1. Install 1-2 drops of ‘Flourescein dye’ in the conjunctival sac.
2. Immediately add 1-2 drops of sterile water.

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CLINICAL EXAMINATION – OCULAR SURGERY

3. Ulcerated or irregular surface of the cornea takes ‘green’ color.


4. Rose Bengal or mercurochrome dyes can also be used.
• Lacrimal drainage test: Used to check the patency of excretory part
of the lacrimal apparatus.
1. Introduce blunt lacrimal cannula in the dorsal or ventral lacrimal
punctum.
2. Flush with NSS.
3. See for the solution through other punctum or at the nostrils.
4. Alternatively install few props of Flourescein due in the conjunctival
sac.
5. The dye appears at the nostrils within 30 sec if patency is there. Any
delay means some interruption. No dye is seen when complete blockade.
• Radiographic examination:
1. Done to see orbital fracture, tumor or any foreign body.
Dacrocystography is indicated to diagnose the abnormalities of the
lacrimal drainage apparatus.

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