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[Pigment glaucoma. Scanning-electronmicroscopic findings. (author's transl)]
Klinische Monatsblatter Fur Augenheilkunde
|May 1, 1975
Summary
Pigment glaucoma involves pigment granules blocking aqueous humor outflow. Scanning electron microscopy revealed this blockage in Schlemm's canal and trabecular meshwork, explaining acute pressure rises.
Area of Science:
- Ophthalmology
- Microscopy
Background:
- Pigment glaucoma is characterized by elevated intraocular pressure.
- Trabeculectomy is a surgical procedure to treat glaucoma.
Observation:
- Scanning electron microscopy was used to examine trabecular sections from a patient with pigment glaucoma.
- The outer wall of Schlemm's canal and the trabecular framework were investigated.
Findings:
- Intertrabecular spaces were significantly obstructed by pigment granules.
- Pigment granules were also observed within the clump cells of the iris and on the outer wall of Schlemm's canal.
- These findings demonstrate pigmental blockage of aqueous humor drainage.
Implications:
- The study explains the acute pressure rise in pigment glaucoma by identifying acute obstruction of already compromised intertrabecular spaces.
- Understanding the mechanism of pigment dispersion is crucial for managing pigmentary glaucoma.