Traditionally orthoptists are specialised in assessing ocular motor disorders. This article introduces the ocular motor score as a new clinical tool for screening and follow-up for children and young adults. The protocol consists of 15 tests such as stereoacuity, strabismus, convergence, saccades, etc that are scored with 0, 0.5 or 1. Forty children (aged 4-10 years) attending for routine clinical follow-ups took part to assess intra and inter rating agreement. One investigator completed all assessments and they were subsequently scored independently. Intrarater agreement was 88% with the lowest agreement seen for saccades and smooth pursuit. Inter-rater agreement was 80% with convergence and prism fusion test scoring lower. Scoring of ocular motor functions can be useful in monitoring follow-up measurements but it is unlikely that it will replace current practice.
Evaluating ocular motor functions
Reviewed by Nana Theodorou
Ocular Motor Score (OMS): a clinical tool to evaluating ocular motor functions in children.
CONTRIBUTOR
Nana Theodorou
BMedSCi (Hons) PhD, Sheffield Teaching Hospitals NHS Foundation Trust, Clinical Research Office, 11 Broomfield Road, Sheffield, S10 2SE, UK.
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