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PubMed1980

[Asthenopia in clinical practice: a comparative study of complaints, clinical findings and results of therapy in asthenopic patients (author's transl)].

A study was carried out by seven ophthalmologists practising in the Berne region on 473 patients complaining of eye strain. Medical histories were taken by questionnaire, refraction was done and phoria measured, followed by therapy in accordance with the physician's opinion. In 380 cases, glasses were prescribed, including prismatic glasses for 14 patients. In 123 cases, local medical therapy was instituted. The statistica evaluation of pre-treatment findings and results of therapy, was carried out using a computer. The principial complaints before treatment were eyestrain and visual disturbances, followed by conjunctival irritation and headache. Women complained more about headaches, men more about visual disturbances. A majority of the patients with visual disturbances needed minus lenses, while for the treatment of headaches mostly plus lenses were needed. In patients with conjunctival irritation local medical treatment resulted in additional relief of symptoms. Cylindric correction had only a minor influence on the result of therapy. Heterophoric patients did not have more complaints than orthophoric ones, and results with spectacles without prisms were the same as in orthophoric patients.

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