Post-trabeculectomy early bleb localization mimicking a & #39;ring of steel & #39;

S Choudhary, M Kaur, SS Pandav, S KaushikJournal of Postgraduate Medicine 2022 68(2):100-101 A 54-year-old-man underwent trabeculectomy with mitomycin-C (0.02%). At 4-week follow-up, there was an elevated, well-circumscribed bleb with raised intra-ocular pressure (IOP) of 32-mmHg, with a classic “ring of steel” appearance, typically seen in a tenon's cyst. A sub-tenon needle revision re-established aqueous flow. Two weeks later, the IOP was 8-mmHg without any anti-glaucoma medications. A diffuse well formed bleb was noted. Careful ocular examination helps to identify early post-operative localized bleb that may appear like a “ring of steel” but can be managed by needling, unlike a tenon's cyst, which would require more extensive intervention.
Source: Journal of Postgraduate Medicine - Category: Internal Medicine Authors: Source Type: research