Article,

Longitudinal follow-up of grating acuity in children affected by cerebral palsy: results of a 5 year study.

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Eye, (1998)

Abstract

PURPOSE: To analyse the natural course of visual acuity in subjects affected by cerebral palsy. METHODS: During the past 5 years, 16 children underwent repeated grating acuity measurements using the acuity card procedure. At the end of the follow-up final grating acuity was compared with linear acuity obtained using standard optotypes. RESULTS: A good or moderate improvement in grating acuity was shown by 14 subjects. However, the general development of grating acuity showed a protracted course and early values did not correlate with final grating acuity (r = 0.20). Moreover, most of the children showed subnormal vision when measured with standard optotypes. CONCLUSION: Clinicians should remain optimistic about the potential for some visual development in children affected by cerebral palsy. However, great caution should be exercised in extrapolating information from early grating acuity measurements. Regular assessments with the acuity card procedure are necessary in order to gain an insight into the natural course of visual development in children affected by cerebral palsy.

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