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Surgical Correction for Pediatric Epiblepharon and Trichiasis
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Ocular surface changes after strabismus surgery with different incisions.

Qian Li1, Te Fu, Jun Yang

  • 1Department of Ophthalmology, The Second People's Hospital of Jinan, 148#, Jingyi Road, Jinan, 250001, People's Republic of China, liqian078@sina.com.

Graefe'S Archive for Clinical and Experimental Ophthalmology = Albrecht Von Graefes Archiv Fur Klinische Und Experimentelle Ophthalmologie
|December 16, 2014
PubMed
Summary
This summary is machine-generated.

Limbal incisions for strabismus surgery cause more severe dry eye symptoms and impact corneal sensitivity and tear film stability compared to fornix incisions.

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Area of Science:

  • Ophthalmology
  • Ocular Surface Disease
  • Strabismus Surgery

Background:

  • Strabismus surgery involves incisions that can affect the ocular surface.
  • Different incision types may lead to varying degrees of ocular surface compromise.

Purpose of the Study:

  • To compare ocular surface changes following strabismus surgery using limbal versus fornix incisions.
  • To evaluate the impact of incision type on dry eye symptoms, corneal sensitivity, and tear film function.

Main Methods:

  • A randomized study involving 120 eyes with exotropia, assigned to limbal (Group A) or fornix (Group B) incision.
  • Assessment of dry eye questionnaire, corneal sensitivity, tear film breakup time (TFBUT), Schirmer I test (SIT), and corneal fluorescein staining (CFS) pre- and post-operatively.

Main Results:

  • Limbal incisions (Group A) showed increased dry eye scores, decreased TFBUT and corneal sensitivity post-surgery.
  • Fornix incisions (Group B) also showed increased dry eye scores and decreased TFBUT, but no significant change in corneal sensitivity.
  • Significant differences favoring fornix incisions were observed in dry eye scores, TFBUT, and corneal fluorescein staining between the groups.

Conclusions:

  • Limbal incisions lead to more pronounced dry eye symptoms than fornix incisions.
  • Limbal incisions have a greater negative impact on corneal sensitivity and tear film stability after strabismus surgery.