Figure 2 .
Cumulative distribution of infants with ocular abnormalities (strabismus, amblyopia, and/or refractive errors) at the age of 5 years, according to gestational age at birth. If only infants with a gestational age ⩽31 or ⩽ 32 weeks had been screened, 96% of infants with ophthalmological abnormalities would have been detected.