The Effects of Binocular Visual Function Training after Concomitant Exotropia Surgery.
Jing Chen1, Jin Xu2, Huili Jia1
1Department of Strabismus & Pediatric Ophthalmology, Shenzhen Eye Hospital, Jinan University, Shenzhen Eye Institute, Shenzhen, Guangdong, China.
Current Eye Research
|March 31, 2023
Summary
Binocular visual function training after concomitant exotropia surgery improved eye position and stereo acuity. This training also helped prevent exotropia recurrence, showing long-term efficacy.
Area of Science:
- Ophthalmology
- Vision Science
Background:
- Concomitant exotropia is a common strabismus requiring surgical intervention.
- Postoperative visual function recovery and recurrence prevention remain critical challenges.
Purpose of the Study:
- To investigate the effect and long-term efficacy of binocular visual function training following concomitant exotropia surgery.
Main Methods:
- 92 patients undergoing concomitant exotropia surgery were randomized into a training group (n=54) and a control group (n=38).
- The training group received personalized four-dimensional (4D) visual function training starting 2 weeks post-surgery and was followed for 12 months.
- Eye position, distant and near stereo acuity, and postoperative efficacy were compared between groups.
Main Results:
- The training group demonstrated a higher normal eye position rate and significantly improved distant and near stereo acuity compared to the control group at 12 months.
- Functional complete and incomplete response rates were significantly higher in the training group.
- Both groups showed higher near stereo acuity than distant stereo acuity initially, with the training group showing greater improvement.
Conclusions:
- Four-dimensional visual function training effectively facilitates postoperative binocular visual function recovery in exotropia patients.
- This training also shows promise in preventing the recurrence of exotropia after surgery.
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