All infants less than 31 weeks gestational age (up to and including 30 weeks and 6 days) OR less than 1501g birth weight should be examined to screen for the presence of ROP (one criterion to be met for inclusion) [Evidence level: High (Grade: B)]
Infants born more than 1500g and between 31+0 weeks' and 31+6 weeks' gestational age should be considered for examination. [Evidence level: Low (Grade: D)]
The results provided by this calculator are only indicative and should never be used in place of, or in opposition to, guidance from qualified medical professionals. If you have any feedback about this calculator, please get in touch with us by emailing guidelines@rcpch.ac.uk.