Overseas, standards vary widely. Some clinics prioritise volume over safety, and patients may not meet their surgeon until the day of surgery. “Revision surgery is not straightforward.

Bleb-related infections, which include both superficial blebitis and the more devastating endophthalmitis, remain a significant concern due to their potential to compromise visual outcomes.

Just over 1 in 4 (28.4%) of patients required bleb needling, typically in the first 6 months following surgery. Under 1 in 5 received a secondary procedure, such as bleb revision or trabeculectomy.