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Modified split level lid resection in ptosis.

S M Bethria1, N D Patil

  • 1Dr. Rajendra Prasad Centre for Opthalmic Sciences, All India Institute of Medical Sciences, Ansari Nagar, New Delhi.

Indian Journal of Ophthalmology
|October 1, 1990
PubMed
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This study on congenital simple ptosis surgery found that preserving the skin muscle lamina created dynamic lid folds. While effective, lid lag remained a common complication in patients with moderate ptosis.

Area of Science:

  • Ophthalmology
  • Surgical Techniques

Background:

  • Congenital simple ptosis often requires surgical correction to improve eyelid function and appearance.
  • Current surgical methods aim for effective lid lift while minimizing complications like lagophthalmos and lid lag.

Purpose of the Study:

  • To evaluate a novel surgical technique for congenital simple ptosis focusing on Muller's muscle activity and skin muscle lamina utilization.
  • To assess the efficacy and aesthetic outcomes, including lid fold formation and complications, of this modified surgical approach.

Main Methods:

  • Ten patients with congenital simple ptosis (3-5 mm) and variable levator function underwent the modified surgical procedure.
  • The technique involved utilizing the skin muscle lamina for lid fold creation without excision, and assessing Muller's muscle activity via phenylephrine drops.

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Main Results:

  • All patients demonstrated a positive response to phenylephrine, indicating Muller's muscle activity.
  • The technique resulted in minimal lagophthalmos and well-formed, dynamic lid folds in all cases.
  • A common complication, lid lag, was observed, consistent with other ptosis surgery techniques.

Conclusions:

  • The described surgical technique is effective for congenital simple ptosis, yielding good lid lift and aesthetic lid folds.
  • Preserving and utilizing the skin muscle lamina offers advantages in dynamic lid fold formation.
  • Lid lag remains an inherent challenge in this surgical approach, necessitating further investigation.