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J Fr Ophtalmol. 1987;10(1):61-74.

[Critical study of sectorial occlusion in the treatment of strabismus in children].

[Article in French]


Sector occlusion, already described in 1953, has been used regularly since Berrondo's first publication on the subject in 1967 by a great number of ophthalmologists and orthoptists for convergent concomitant and sometimes divergent strabismus treatment. Sectors limit the field of fixation of each eye, in order to modify the optomotor reflex to restore and maintain the sensory and motor alternation. The mostly used sector designs are the symmetrical or asymmetrical binasal ones. The way of action of middle, narrow or broad, straight or oblique, or eventually "V" shaped binasal sectors can easily be analysed; their application does'nt present any particular difficulties; their reproduction is easy. Such is not the case of the so called "buridanization", location/observation and other numerous sophisticated shapes suggested by Berrondo. Sector-occlusion indications, advantages and disadvantages, limits and counter-indications are related in details. There is no doubt that binasal sectors represent a major acquisition for concomitant strabismus visual reeducation; they are irreplaceable in the treatment of congenital strabismus.

[PubMed - indexed for MEDLINE]
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