Abstract
The anterior segment of the eye is displayed on the video monitor using a slitlamp apparatus (slitlamp 75SL, Zeiss, Germany) combined with a video camera and the video image is then analyzed with a computer to convert the optimal image into the true image. The profile of the true image of the anterior eye segment allows us to estimate the pupil-blocking force, which is the posteriorly directed vector exerted in the iris tissue, according to Mapstone’s theory. In mensuration by digitizer on 3 occasions from a single video image of a given normal eye, the Pbf was ––0.025 5 ± 0.0011 Λ (= Young’s module). And the pupil-blocking force of 10 procedures in a given glaucomatous eye was +1.092 ± 0.018 Λ.
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© 1995 S. Karger AG, Basel
1995
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