Our findings showed that OQAS is a clinical instrument with a good intra- and intersession repeatability and that the realignment of the eye does not introduce any additional variability in the measurements.
The aim of this article is to show the main general and ocular characteristics of a group of 46 mentally handicapped people of different IQ and age who were provided with visual care. Many different syndromes and neurological alterations have been described in the literature. The case types and number of people studied for each condition attending our clinics were: syndromes: Down's (25), Soto (2), West (2), Rubinstein-Taybi (1), triple X (1); neurological conditions: cerebral palsy (8), microcephaly (5), hydrocephaly (2). In our study the ocular findings were high incidence of ametropies: 58.7% hyperopia, 21.7% myopia, 19.5% astigmatism and 28% strabismus.
The incidence of visual problems in people with mental handicaps is very high. Nine severely mentally handicapped patients were studied. Several objective and subjective oprometric tests were performed. The results showed the presence of different kinds of visual problems that were compensated for by optical methods. The subjects showed a general change in their behaviour. It is essential to give optometric care to such people.
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