1. Retinopathy of prematurity: an estimate of vision loss in the United States-1979. Pediatrics 1981; 67: 924-6. many authors have emphasised the importance of onset of ROP in designing a screening sched-;Phelps, D.L.
2. Acute retrolental fibroplasia;Kingham, J.D.;Arch Ophthalmol,1977
3. Retrolental fibroplasia: experience over ule.27 13 I'll This fact was taken into account when guidelines for ROP screening in the United Kingdom recently were drawn up suggesting that neonates with a birth weight of less than 1500 g and a gestational age of 31 weeks or less are given a first examination at 7 weeks of postnatal age.38 In designing a general screening programme two decades in one institution;Kalina, R.E.; Karr, D.J.;Ophthalmology,1982
4. Retinopathy ofprematurity: incidence and treatment;Reisner, S.H.; Amir, J.; Shohat, M.; Krikler, R.; Nissenkorn, I.; Ben-Sira, I.;Arch Dis Child,1985
5. Retinopathy ofprematurity. Diagnosis, severity and natural history;Flynn, J.T.; Bancalari, E.; Bachyansky, B.N.; Buckley, E.B.; Bawol, R.; Goldberg, R.; etal;Ophthalmology; 94: 620-9. one has to be aware of the danger of basing guidelines on one single study, particularly if the,1987