Table 6.
Comparison of studies
| Study | Number of eyes (infants ) studied | Mean BW* g | Mean GA† weeks | % Eyes unfavorable structural outcome | VA‡ ≥ 20/40 % (eyes studied) | Myopia of ≥ 5 D % eyes studied | Follow up (months) Mean |
|---|---|---|---|---|---|---|---|
| Axer-Siegel et al11 | 194(100) | 833.9 | 26 | 7.3 | 38.7(75) | 24.6(134) | 33.6 |
| Lee et al9 | 76(40) | 770 | 25.5 | 14.4 | NA** | 10 (60) | 44 |
| Foroozan et al8 | 120(81) | 770.4 | 25.7 | 9.0 | NA** | NA** | 44.5 |
| DeJonge et al3 | 61(33) | 671 | 24.5 | 5.0 | NA** | NA** | 3 |
| Sahni et al22 | 81(43) | 862 | 26 | 10.7 | 40.07(81) | 29.6(81) | 36 |
| ETROP study (Conventional arm)13,14 | 303(303) | 703 | 25.3 | 15.2 | 31.5(299) | 37.614(197) | 72 |
| Paysee et al15 | 266(138) | 784 | 25.4 | 11.3 | NA** | NA** | 6 |
| Dhawan et al12 | 184(93) | 1137 | 29.2 | NA | NA** | 31.5(184) | 24.2 |
| Present study | 270(148) | 910.8 | 27.4 | 7.4 | 53(149) | 17.8(131) | 35 |
Notes: *Birth Weight
†
Gestational age in weeks
‡
visual acuity
**Not available in the study. Mean follow-up for infants with visual and refractive data.