Table 3

Diagnoses referring to visual impairment in 260 VLBW boys and expected numbers calculated from total population

ICD diagnosisDefinitionObservedExpected
3660Cataract10.02
3670Hyperopia94.8
3671Myopia155.2
3672Astigmatism64.5
3678Other refraction error10.6
369Severely reduced  vision186.1
378Strabismus60.6