Small Animal Emergency and Critical Care Medicine Q&A 14
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This question was provided by Manson Publishing as part of the OVAL Project. See more Small Animal Emergency and Critical Care Medicine Q&A. |
A four-year-old Yorkshire Terrier presented with a relatively sudden onset unilateral (left) painful eye. There were no other problems but the owners considered that the dog had experienced some discomfort during the previous 2 days. On the morning of the consultation there had been marked blepharospasm and excessive lacrimation. Examination revealed conjunctival and episcleral congestion and a diffuse mild corneal edema. There was a faint misty appearance to the anterior chamber and the pupil was constricted.
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| Describe the pathology seen in the eye. | The anterior chamber contains inflammatory product (flare) and the iris sphincter muscle is in spasm. |
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| What is your diagnosis? | Acute uveitis of unknown aetiology. |
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| What would you expect tonometry to reveal? | A low intraocular pressure. |
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| What treatment would you prescribe? | Topical and systemic anti-inflammatory drugs and a topical cycloplegic agent to break the ciliary spasm and reduce the discomfort are needed. Atropine is both a mydriatic and a cycloplegic, the mydriasis again helping to relieve the discomfort but reducing the chances of posterior synechiae formation. |
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