• A J van Sorge, J U M Termote, M J de Vries, F N Boonstra, C Stellingwerf, and N E Schalij-Delfos.
• Department of Ophthalmology, Leiden University Medical Centre, Leiden, The Netherlands. a.j.van_sorge@lumc.nl
• Br J Ophthalmol. 2011 Jul 1; 95 (7): 937-41.

AimTo determine the incidence of visual impairment (VI) caused by retinopathy of prematurity (ROP) and concomitant disabilities in preterm neonates born between 2000 and 2009 in the Netherlands.MethodsData were retrieved from the Dutch institutes for the visually impaired. They were compared with similar Dutch studies conducted in 1975-1987, 1986-1994 and 1994-2000.ResultsRecords of 42 infants with VI due to ROP were included. A gradual decrease of gestational age and birthweight but an increase of duration of artificial ventilation, supplemental oxygen administration, bronchopulmonary dysplasia, developmental delay and behavioural abnormalities was found. Compared with the previous study (1994-2000), significantly fewer children were visually impaired due to ROP (1.84 per 100,000 live births/year vs 3.93 per 100,000 live births/year, p=0.000), the incidence of complete blindness decreased from 27.5% to 7.1% (p < 0.05) and more children were treated (66.7% vs 56.9%, NS). The incidence of concomitant disabilities was high and did not differ greatly from the previous study.ConclusionThis was a retrospective study showing a significant decrease in VI due to ROP in the Netherlands. Changes in neonatal care practices did not result in a decrease in the incidence of concomitant disabilities. More children were treated for ROP, but 33% were not treated.

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