COMPARISON OF 3 METHODS FOR THE MEASUREMENT OF CORNEAL THICKNESS

  • 1 January 1979
    • journal article
    • research article
    • Vol. 18  (5) , 535-538
Abstract
Four subjects who had never worn contact lenses underwent measurement of their corneal thickness by each of 3 measurement methods: Haag-Streit pachometer with/ and without Mishima-Hedby attachment and the Syber specular microscope. Data were collected on 3 separate sessions, and at each session triplicate measurement trials were made for each method. The resulting 108 measurements were analyzed statistically. Significant differences were found among the measurement methods. Two of the methods were consistent from session to session. In addition, the specular microscope was the most precise method within a session. The specular microscope, which highly trained technicians can utilize to make the measurements, offers a valuable alternative to the measurement of corneal thickness in long-term prospective studies.

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