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Ophthalmic Physiol Opt. 1986;6(1):39-46.

A longitudinal study of the age-dependence of human ocular refraction--I. Age-dependent changes in the equivalent sphere.


Following on from a cross-sectional analysis of refraction data (Saunders, 1981), the present paper attempts the evaluation of serial recordings of a new sample of refractive corrections using longitudinal methods. This study compares the results of the cross-sectional and longitudinal methods, investigates whether or not the latter supports the conclusions of the former, examines to what accuracy this is achieved and, where the results differ, seeks a reason for this. It is demonstrated that in spite of such differences the two methods coincide in their conclusions.

[Indexed for MEDLINE]

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