Application of Maddox rod test in the treatment of acute acquired concomitant esotropia
Objective To evaluate the effect of Maddox rod test in the treatment of patients with acute concomitant esotropia.Methods A total of 43 patients with AACE admitted to the First Affiliated Hospital of Nanchang University from January 2020 to September 2022 were enrolled.The degree of strabismus was measured by Maddox rod test combined with prism examination be-fore surgery.The principle of point-line coincidence in Maddox rod test was used to guide the adjustment of operative quantity and evaluate the postoperative effect.Results The mean operative age of the subjects was(22.56±8.93)years,the mean time from on-set to operation was(38.56±26.42)months,the mean preoperative long-distance strabismus was(63.28±20.42)prism degree(PD),and the mean preoperative short-distance distance strabismus was(52.67±24.08)PD.In the third month after surgical treatment,the orthophoria rate was 100%,and the mean strabismus measured by Maddox rod test combined with prism examination was 0(-3,0)PD.Except for 1 patient with diplopia when looking at a distance,all the other patients showed no diplopia.The success rate of surgery was as high as 97%.The difference in the degree of strabismus before and after surgery was statistically significant(P<0.05).Conclusion The maximum degree of strabismus that needs to be corrected can be detected by Maddox rod test com-bined with prism examination before the operation.The operative quantity of AACE can be accurately guided by the Maddox rod test during operation,thus satisfactory effect of eye position correction can be obtained and diplopia can be significantly improved.
Acute acquired comitant esotropiaSurgeryMaddox rod test
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