Risk Factors And Surgical Outcomes Of Strabismus Reoperation

Starting soon · Not applicable

Conditions studied: Strabismus, Esotropia, Exotropia

In brief

Horizontal strabismus, commonly known as inward or outward deviation of the eyes, is a frequent eye condition that may require surgical correction. Although the first surgery is often successful, some patients develop residual or recurrent eye misalignment and require a second operation (reoperation). This study aims to identify the clinical and surgical factors that may increase the risk of undercorrection, overcorrection, or recurrence after the first surgery. It also evaluates the outcomes and success rate of repeat surgery in patients with horizontal strabismus. Patients undergoing reoperation will receive a complete ophthalmological examination before surgery. The surgical plan will be individualized based on previous surgical history and current eye findings. All procedures will be performed under general anesthesia by the same surgeon. Participants will be followed for three months after surgery to assess eye alignment, movement, and possible complications. The results of this study may help improve surgical planning and predict which patients are at higher risk of requiring additional surgery in the future.

Key facts

Study ID

NCT07446621

Run by

Assiut University

People needed

62

Starts

2026-03-01

Expected to finish

2027-07-01

Last updated by the study team

2026-03-09

Who can join

Age: any. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Patients diagnosed with horizontal strabismus (esotropia or exotropia).
• Patients undergoing repeat surgery for correction of residual, recurrent, undercorrected, or overcorrected horizontal strabismus.
• Availability of sufficient medical records documenting previous strabismus surgery.
• Ability to attend scheduled postoperative follow-up visits.
• Written informed consent obtained from the patient or legal guardian.

You may not qualify if…

• Combined vertical and horizontal strabismus.
• Paralytic strabismus.
• Restrictive strabismus.
• Strabismus associated with neurological or syndromic conditions.
• Patients with incomplete or insufficient documentation of previous surgical procedures.
• Patients unwilling or unable to complete follow-up.

Where it is running

• Assiut university — Asyut, Egypt

Full record on ClinicalTrials.gov

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