100% neonates <32/40 or <1501g at birth need to be screened for retinopathy of prematurity.
If <27/40, 1st screening should be at 30-31/40 CGA.
For all other eligible babies, 1st screening should be at 4-5/52 PMA & before discharge from hospital.
External link: ROP guideline
External link: Neonatal National Audit Programme (NNAP)