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Change in esodeviation at distance and near according to the duration of prism-wear.

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posted on 2019-12-02, 18:29 authored by Hye Rim Choe, Hee Kyung Yang, Jeong-Min Hwang

The angle of esodeviation was calculated after full hypermetropic correction. After prism-wear, the summation of the measured angle of esotropia with prism glasses and the total amount of base-out prisms were noted. (Left) During distance fixation, the angle of esodeviation at distance became smaller in the Success group compared to the Failure group after 6 months (P = 0.019), and this difference was maintained up to 3 years. Annual changes of esodeviation during distance fixation compared to baseline were -3.8±1.9 PD/year in the Success group and +0.7±3.9 PD/year in the Failure group (P<0.001). (Right) During near fixation, the angle of esodeviation at near became smaller in the Success group compared to the Failure group after 6 months (P = 0.009), and this difference was maintained up to 3 years. Annual changes of esodeviation during near fixation were -2.9±2.1 PD/year in the Success group and +0.2±5.2 PD/year in the Failure group (P<0.001). (*P<0.05).

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