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  • Title: [Acute blindness due to trauma in a Welsh pony-colt].
    Author: van Schaik AM, van der Pol BA, van der Linde-Sipman JS.
    Journal: Tijdschr Diergeneeskd; 1998 Mar 01; 123(5):142-3. PubMed ID: 9537095.
    Abstract:
    A healthy, 10-day-old Welsh A pony colt was totally blind 1 day after arrival at a studfarm. Both eyes appeared normal on external inspection. The young animal had been very distressed during the 40-km journey to the studfarm. Intravenous corticosteroids were administered for 2 days, but did not result in any observable improvement. The animal was euthanized at the owner's request. Both eyes with the optic nerves were removed for histological examination. Both optic nerves showed Wallerian degeneration, a well-known response of peripheral nerves to trauma. The foal, which was not tethered during transportation, probably sustained a blunt trauma in the trailer. This case highlights the importance of taking adequate measures to prevent young animals from sustaining blunt trauma during transport.
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