Early Results of Slanted Recession of the Lateral Rectus Muscle for Intermittent Exotropia With Convergence Weakness

Early Results of Slanted Recession of the Lateral Rectus Muscle for Intermittent Exotropia With Convergence Weakness; A Prospective Study

This study was conducted to evaluate results of slanted recession of the lateral rectus muscle for intermittent exotropia with convergence weakness

Study Overview

• Status: Completed
• Conditions: Intermittent Exotropia
• Intervention / Treatment: Procedure: Slanted recession of the lateral rectus muscle

Detailed Description

This prospective study included 31 patients who underwent slanted lateral rectus muscle recession for intermittent exotropia with convergence weakness. Measurements of preoperative and postoperative deviation angle, stereopsis was performed.

• Study Type: Interventional
• Enrollment (Actual): 31
• Phase: Not Applicable

Contacts and Locations

Study Locations

• Korea, Republic of
  • Kyungsangpookdo
    • Daegu, Kyungsangpookdo, Korea, Republic of, 700-721
      • Bo Young Chun

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 2 years to 10 years (Child)
• Accepts Healthy Volunteers: No
• Genders Eligible for Study: All

Description

Inclusion Criteria:

• Patients with intermittent exotropia greater at near than at distance by 10 prism diopters or more
• Patients with follow up duration greater than 6 months

Exclusion Criteria:

• Patients with previous ocular or strabismus surgery
• Patients with ocular or neurologic pathologic conditions
• Follow up duration less than 6 months

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Treatment
• Allocation: N/A
• Interventional Model: Single Group Assignment
• Masking: None (Open Label)

Number of Arms

1

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Experimental: Lateral Rectus Muscle Slanted Recession; Slanted recession of the lateral rectus muscle for the intermittent exotropia with convergence weakness	Procedure: Slanted recession of the lateral rectus muscle; All patients who had intermittent exotropia with convergence weakness was enrolled to the slanted lateral rectus muscle recession group.

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Changes from baseline of exodeviations angle after slanted recession surgery at 6 months.	Measurement of deviation angle after slanted recession surgery was performed.	preop, 6months postop

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Changes from baseline of near-distance difference after slanted recession surgery at 6 months	Measurement of stereopsis after slanted recession was performed.	preop, 6 months postop

Collaborators and Investigators

• Sponsor: Kyungpook National University Hospital
• Investigators: Principal Investigator: Bo Young Chun, M.D, Kyungpook National University Hospital

Study record dates

Study Major Dates

• Study Start: June 1, 2010
• Primary Completion (Actual): June 1, 2012
• Study Completion (Actual): April 1, 2014

Study Registration Dates

• First Submitted: May 4, 2014
• First Submitted That Met QC Criteria: May 4, 2014
• First Posted (Estimate): May 6, 2014

Study Record Updates

• Last Update Posted (Estimate): May 6, 2014
• Last Update Submitted That Met QC Criteria: May 4, 2014
• Last Verified: May 1, 2014

More Information

Terms related to this study

• Additional Relevant MeSH Terms: Nervous System Diseases; Eye Diseases; Cranial Nerve Diseases; Ocular Motility Disorders; Strabismus; Exotropia
• Other Study ID Numbers: KNUH2014-02