Presbiopi pada Kelainan Refraksi
ABSTRACT: Presbyopia is a problem of old people. Usually asthenopic symptoms begin when the patients approach 40 years old. Refraction anomalies of hypermetropia and myopia influence directly the measure of reading spectacles, so that both these anomalies influence the possibility of asthenopic symp...
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[Yogyakarta] : Universitas Gadjah Mada
1986
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