Ocular examination in nine-month-old infants with very low birthweights

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Abstract
In the period 1980–1987 ocular examinations were performed on 185 infants with a very low birthweight (> 1500 g) at the age of nine months corrected for the duration of pregnancy. The mean gestational age of the infants was 30 weeks, while the mean birthweight was 1160 g. The mean spherical refraction was 0.9 D (S.D. 1.3 D), the mean astigmatism was C-0.6 D (S.D. 1.0 D), while convergent strabismus was found in 10% of the patients. The purpose of the investigation was to see if there was a relation between spherical equivalent of refraction, astigmatism and strabismus on the one hand and 11 perinatal parameters and cerebral palsy diagnosed at the age of nine months on the other hand. Statistical analysis was performed with the Student t-test. No significant correlation between the findings of ocular examination and the perinatal parameters could be detected.

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