PRACTICAL DETAILS IN THE ORTHOPTIC TREATMENT OF STRABISMUS

A preliminary report of the possibilities of orthoptic training was presented before the Section on Ophthalmology of the American Medical Association in June 1933. The present report covers the patients included in that report and additional ones who have been accepted for treatment and observed for at least six months. Since the previous report an article by Cantonnet 1 has appeared. Certain classes of strabismus are described which are difficult to remedy. These include strabismus with false macula, the incidence of which among cases of squint he places at 0.5 per cent, and strabismus with paradoxical diplopia, which need not be described here. He believes that patients with strabismus of these types can be reeducated, though with great difficulty. In contradistinction to many authors, Cantonnet does not believe that fusion training is practical under the age of 5. The upper age limit is much higher than that given by