Abstract
Objectives
To compare ocular surface changes after strabismus surgery with different incisions.
Methods
One hundred and twenty eyes with exotropia were randomly assigned to Group A (limbal incision) or Group B (fornix incision). Dry eye questionnaire, corneal sensitivity, tear film breakup time (TFBUT), Schirmer I test (SIT), and corneal fluorescein staining (CFS) were assessed at 1 day preoperatively and at different postoperative times.
Results
In the A group, dry eye questionnaire scores increased and TFBUT decreased at postoperative weeks 1, 2, and 4. Corneal sensitivity decreased at postoperative weeks 1 and 2. In the B group, dry eye questionnaire scores increased and TFBUT decreased at postoperative weeks 1 and 2. Corneal sensitivity did not change. Postoperative between-group differences were significant in dry eye questionnaire scores (P = 0.0009, 1 week; P < 0.0001, 2 weeks; P = 0.0001, 4 weeks) and TFBUT (P = 0.004, 1 week; P = 0.0003, 2 weeks; P = 0.0001, 4 weeks). Between-group differences in CFS were significant postoperatively (P = 0.045, 1 week; P = 0.020, 2 weeks).
Conclusion
Compared to fornix incision, limbal incision results in more serious dry eye symptoms and has a greater impact on corneal sensitivity and tear film stability.
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The authors thank Dr. Yue-ying Zhang for help in statistical analyses.
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Li, Q., Fu, T., Yang, J. et al. Ocular surface changes after strabismus surgery with different incisions. Graefes Arch Clin Exp Ophthalmol 253, 431–438 (2015). https://doi.org/10.1007/s00417-014-2882-1
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DOI: https://doi.org/10.1007/s00417-014-2882-1