EYE DISEASES : FARSIGHTEDNESS (HYPERMETROPIA) - etiology, pathogenesis, symptoms and course of, recognition, prediction and prevention
Under normal refraction of the eye of the newborn later comes the stunted growth of the eyeball in children, the cause of which is not yet sufficiently clear. It is possible that here plays the role of the General condition of the child and endocrine disorders.
Symptoms. At small degrees of hyperopia in young age has a good vision for both distance and near. With average degrees - good distance vision, but a quick eyestrain when working at a close distance. When strong hyperopia - poor vision both distance, and near. Vision improved from convex glasses, deteriorating from concave.
For. All human beings are born hypermetrope, but as the growth of the body and eyes of the people is emmetropia, part - Miami, the part remains hypermetrope different degrees. With the end of the degree of hyperopia is not changed, but the vision hypermetropia everything deteriorates with age due to the weakening of accommodation in old age, so young people with even small degrees of hyperopia, see only bad near and the elderly - both near and afar.
Recognition quite easily by subjective selection of glasses or by skiascopy. In cases where there is spasm of accommodation, pre-atropinization eyes for 5 to 7 days.
Prevention against the hyperopia is not required, but is of great importance related to hyperopia phenomena asthenopia accomodative (see).
The treatment includes correction of hyperopia convex lenses. At school age, you need full correction even not very high hyperopia and glasses should be appointed not only for work but also for permanent use, at least distance vision without glasses and was completely normal.