Relation between astigmatism (recorded as negative values) and stage of ROP
| Right eye | Left eye | |||||
|---|---|---|---|---|---|---|
| First retinoscopy: | ||||||
| ROP | ⩾1 D | ⩾2 D | ROP | ⩾1 D | ⩾2 D | |
| None (n=154) | 69 (44.8%) | 21 (13.6%) | None (n=156) | 69 (44.2%) | 26 (16.7%) | |
| Mild (n=50) | 31 (62%) | 14 (28%) | Mild (n=44) | 24 (54.6%) | 8 (18.2%) | |
| Severe without cryo (n=18) | 11 (61%) | 2 (8%) | Severe without cryo (n=21) | 14 (66.7%) | 3 (11.5%) | |
| Severe with cryo (n=25) | 17 (68%) | 6 (24%) | Severe with cryo (n=26) | 21 (80.8%) | 7 (26.9%) | |
| Total (n=247) | 128 (51.8%) | 43 (17.4%) | Total (n=247) | 128 (51.8%) | 44 (17.8%) | |
| Second retinoscopy: | ||||||
| ROP | ⩾1 D | ⩾2 D | ROP | ⩾1 D | ⩾2 D | |
| None (n=138) | 31 (22.5%) | 4 (2.9%) | None (n=139) | 30 (21.6%) | 4 (2.9%) | |
| Mild (n=47) | 19 (40.4%) | 3 (6.4%) | Mild (n=41) | 14 (34.2%) | 3 (7.3%) | |
| Severe without cry (n=18) | 3 (16.7%) | 0 (0%) | Severe without cryo (n=21) | 6 (28.6%) | 2 (7.7%) | |
| Severe with cryo (n=25) | 11 (44%) | 4 (16%) | Severe with cryo (n=26) | 6 (23.1%) | 3 (11.5%) | |
| Total (n=228) | 64 (28.1%) | 11 (4.8%) | Total (n=227) | 56 (24.7%) | 12 (5.3%) | |