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The effect of repeat argon laser trabeculoplasty
P A Jorizzo1, J R Samples, E M Van Buskirk
1Department of Ophthalmology, Oregon Health Sciences University, Portland 97201.
American Journal of Ophthalmology
|December 15, 1988
Summary
Repeat laser trabeculoplasty can be effective for glaucoma patients who previously responded well to initial treatment. This procedure helped sustain lower intraocular pressure in most eyes studied.
Area of Science:
- Ophthalmology
- Glaucoma treatment
- Laser therapy
Background:
- Glaucoma is a leading cause of irreversible blindness.
- Laser trabeculoplasty is a common treatment for open-angle glaucoma.
- Some patients require repeat procedures for sustained intraocular pressure control.
Purpose of the Study:
- To evaluate the efficacy of repeat laser trabeculoplasty in patients with a history of positive response to initial treatment.
- To assess the long-term hypotensive effect and safety of repeat laser trabeculoplasty.
Main Methods:
- A select group of patients underwent repeat laser trabeculoplasty (40-100 burns, 180-360 degrees).
- Patients included had demonstrated an excellent and prolonged response to their initial laser trabeculoplasty.
- Intraocular pressure was monitored post-treatment.
Main Results:
- Eight out of eleven eyes (72.7%) showed a sustained hypotensive response after repeat laser trabeculoplasty with over one year of follow-up.
- No significant increases in intraocular pressure were observed post-treatment.
- The procedure was effective in maintaining lowered intraocular pressure.
Conclusions:
- Repeat argon laser trabeculoplasty is a viable and effective treatment option for glaucoma patients.
- It is particularly effective in cases where the initial laser trabeculoplasty yielded a prolonged positive response.
- The procedure appears safe with no significant adverse effects on intraocular pressure.