Supramaximal Rectus Recession for Strabismus in Grave's Ophthalmopathy

Sun Yat-sen University

Status: Unknown

Conditions: Graves Ophthalmopathy; Strabismus, Mechanical

Treatments: Procedure: normal rectus recession; Procedure: supramaximal rectus recession

Study type: Interventional

Funder types: Other

Identifiers

NCT04927468

yanghs20210607

Details and patient eligibility

About

The purpose of this study is to evaluate supramaximal rectus recession for strabismus in Grave's Ophthalmopathy

Full description

To evaluate the effectiveness and complications of supramaximal rectus recession for large-angle strabismus in Grave's Ophthalmopathy

Enrollment: 60 estimated patients

Sex: All

Ages: 18 to 80 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Clinical diagnosis of Grave's ophthalmopathy
• angle of deviation more than 20°
• clinically and biochemically euthyroid for at least 3 months;
• a stable orthoptic examination for at least 3 months, for example no greater than five prism dioptre change in primary position and no greater than an 8° change in duction
• monocular and mainly single extraocular muscle restricted motility

Exclusion criteria

• Patients with suppression, previously diagnosed and/or treated strabismus not related to the thyroid
• best-corrected visual acuity (BCVA) less than 0.2 in one or both eyes

Trial design

Primary purpose: Treatment

Allocation: Non-Randomized

Interventional model: Parallel Assignment

Masking: Double Blind

---

60 participants in 2 patient groups

supramaximal rectus recession

Experimental group

Description:

supramaximal rectus recession to treat large-angle restricted strabismus in thyroid associated ophthalmopathy

Treatment:

Procedure: supramaximal rectus recession

normal rectus recession

Active Comparator group

Description:

normal rectus recession to treat large-angle restricted strabismus in thyroid associated ophthalmopathy

Treatment:

Procedure: normal rectus recession