The Influence of Overminus Lens Therapy on Control of Intermittent Exotropia: A Meta-Analysis of Randomized Clinical Trials.

A retrospective study of 153 IXT patients comprising 74 patients treated with OMLs for at least 6 months, 34 patients treated with OMLs for 5 years, and 45 patients who did not receive OML therapy found the mean myopic shift was −1.52 ± 1.80D in the 6-month treatment group, −1.54 ± 1.80D in the 5-year treatment group, and −1.40 ± 2.80D in the control group after 5 years follow-up; the difference in Myopic shift did not reach statistical significance [17] .

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