Yes, but YAG capsulotomy in the context of pre-existing glaucoma requires careful clinical assessment and a modified management pathway. ³ Glaucoma does not preclude the procedure, as posterior capsule opacification causing functionally significant visual impairment warrants treatment regardless of glaucoma status, but it materially changes how the patient is assessed, prepared, and monitored.
The principal concern is intraocular pressure (IOP). Transient IOP elevation following YAG capsulotomy occurs in approximately 15% to 30% of patients in general, typically peaking one to three hours post-procedure. ¹ In eyes with established glaucomatous optic nerve damage, even a modest and transient IOP spike carries greater risk than in a healthy eye, as a damaged optic nerve may be less tolerant of acute pressure elevation. This risk is amplified in patients with advanced glaucoma, narrow-angle anatomy, or compromised outflow facility.
Pre-operative preparation should include a documented baseline IOP measurement, a current assessment of glaucoma status including optic disc and visual field evaluation, and review of current glaucoma medications. ² Prophylactic topical apraclonidine 1% instilled immediately before and after the procedure substantially reduces the magnitude of the post-procedure IOP spike and is recommended as standard in patients with glaucoma. Some clinicians also prescribe a short course of additional topical hypotensives as a precautionary measure.
Post-operative IOP monitoring is essential. ¹ A pressure check 30 to 60 minutes following the procedure is recommended, with a lower threshold for treating and rechecking any elevation than would apply in non-glaucomatous eyes. Patients should be informed of their individual risk profile, and clear instructions regarding urgent symptoms, including pain, haloes, or sudden vision change, should be provided. With these precautions in place, YAG capsulotomy can be performed safely in the majority of glaucoma patients.
References
- Richter CU, Arzeno G, Pappas HR, Steinert RF. Intraocular pressure elevation following Nd:YAG laser posterior capsulotomy. Ophthalmology. 1985;92(5):636-640.
- Chawla H, Sharma N, Saraf S, Titiyal JS. Yttrium Aluminum Garnet posterior capsulotomy on intraocular pressure with applanation tonometry and rebound tonometry. Journal of Current Ophthalmology. 2021;33(3):302-307.
- Aslam TM, Devlin H, Dhillon B. Use of Nd:YAG laser capsulotomy. Survey of Ophthalmology. 2003;48(6):594-612.
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