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Use of full hypermetropic correction in esotropia supported
Br J Ophthalmol. 2008:92(10):1329-1332.
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Data gathered in a prospective study support the practice of providing maximum hypermetropic correction in children with fully accommodative esotropia
Researchers enrolled 30 children aged 48 to 86 months with fully accommodative esotropia who had been treated with full hypermetropic correction for a median of 24 months at the time of the study.
The researchers assessed the effect of reduction of the full hypermetropic prescription on angle, visual acuity and control of fully accomodative esotropia. Those whose prescription was fully corrective demonstrated significantly smaller angles of deviation than those whose prescription undercorrected by as little as 1 D.
When the prescription was reduced by 1 D, the median deviation was 27.5 prism diopters for near vision and 25 prism diopters for distance.
With full correction, the median angle of deviation was 4 prism diopters for near vision and 2 prism diopters for distance.