Oftalmologicheskiĭ zhurnal
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The paper analyses results after investigation of free selection of families, parents myopia selected by signs and a definite minimum age of their first-order offsprings, including 108 matrimonial couples with the total number of 209 children. It was found that myopia is a hereditary sign manifesting itself in children at the age above 15 years and more in 90% of families of the first-order offsprings of the couples in whom one of the parents has this kind of refraction, and in 100% of families in whom both parents suffer from this kind of refraction. The incidence of myopic children in families in whom one or both parents have myopia ranges from 68% to 86%, and depends on the type of refraction.