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Reasons for failure in both groups
| New technique (n = 38) | Traditional (n = 41) | |
|---|---|---|
| High IOP* (>21 mmHg) | 2 (5.3%) | 9 (22.0%) |
| Low IOP* (<5 mmHg) | 1 (2.6%) | 0 |
| Progression to NLP | 1 (2.6%) | 1(2.4%) |
| Additional glaucoma surgery | 0 | 1(2.4%) |
*IOP-related failures require 2 consecutive visits at or after 3 months in which the criterion is not met.
