Intraocular pressure measurement through two types of plano therapeutic soft contact lenses in dogs.

P. E. Miller, Christopher J Murphy

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Abstract

Intraocular pressure (IOP) was measured by use of Mackay-Marg applanation tonometry in 8 normal, manometrically controlled, enucleated, canine eyes with and without 1 of 2 plano therapeutic soft contact lenses (1 and 2) covering the cornea. Differences were not significant between measurements made without a contact lens and those made through either lens at manometer IOP < 30 mm of Hg. At manometer IOP > or = 30 mm of Hg, use of a contact lens tended to result in a statistically greater (P < 0.05) estimate of IOP than when a lens was not used. This difference, however, achieved only a maximum of 2.6 mm of Hg at the 80 mm of Hg value, and was not regarded as clinically important. Measurements obtained through lens 1 were not significantly different from those obtained through lens 2. The IOP can be accurately estimated in dogs, using the Mackay-Marg tonometer, without removing either type of bandage soft contact lens, thereby avoiding potential disruption of an already compromised cornea.

Original languageEnglish (US)
Pages (from-to)1418-1420
Number of pages3
JournalAmerican Journal of Veterinary Research
Volume56
Issue number11
StatePublished - Nov 1995
Externally publishedYes

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ASJC Scopus subject areas

  • veterinary(all)

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