Exercise and reversed pupillary block in pigmentary glaucoma.
case_report · Level V
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- Record sourced from PubMed, PMID 7611315.
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Abstract
The effect of exercise on the iris contour was investigated with ultrasound biomicroscopy in two patients with pigmentary glaucoma. Ten minutes of bicycle exercise strikingly increased the iris concavity. After Nd:YAG laser iridotomy the iris remained plane after a repeated exercise test. We believe that exercise increased the ocular pulse, which augmented cyclic aqueous movements through the pupil. Combined with a reverse pupillary block, the resulting intermittent excessive iris concavity caused pigment dispersion.
Medical subject headings
- Exercise
- Glaucoma, Open-Angle
- Iris
- Pupil Disorders