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Distribution of cases of glaucoma in subjects with <6/12 visual acuity
| Category | Definition | No of subjects |
| 1 | CDR ≥0.7 and IOP ≥97.5%ile | 5 |
| 2 | CDR ≥0.7; IOP <97.5%ile | 1 |
| 3 | Disc obscured; IOP >99.5%ile | 5 |
| 4 | CDR <0.7; IOP ≥97.5%ile | 0 |
| 5 | Disc obscured; IOP ≥97.5%ile | 2 |
| Total | – | 13 |
