Supramaximal Rectus Recession for Strabismus in Grave's Ophthalmopathy

Sun Yat-sen University60 enrolled

Overview

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

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

Study Type

INTERVENTIONAL

Allocation

NON_RANDOMIZED

Purpose

TREATMENT

Masking

DOUBLE

Enrollment

Conditions

Strabismus, Mechanical Graves Ophthalmopathy

Interventions

supramaximal rectus recessionPROCEDURE

inferior rectus recession is 10mm，medial rectus recession is 9mm,superior rectus recession is 14mm for large-angle strabismus

normal rectus recessionPROCEDURE

inferior rectus recession is 7mm，medial rectus recession is 7mm,superior rectus recession is 7mm for large-angle strabismus

Eligibility

Sex: ALLMin age: 18 YearsMax age: 80 Years

Medical Language ↔ Plain English

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

Outcomes

Primary Outcomes

Postoperative deviations

Postoperative deviations in the primary position were measured in prism diopters

Time frame: 6 weeks

Postoperative deviations

Postoperative deviations in the primary position were measured in prism diopters

Time frame: 3 months

Postoperative deviations

Postoperative deviations in the primary position were measured in prism diopters

Time frame: 6 months

Secondary Outcomes

binocular single vision

measure the triple visual function including simultaneous vision, fusion range and distance stereoacuity with synoptophore.

Time frame: 6 weeks

binocular single vision

measure the triple visual function including simultaneous vision, fusion range and distance stereoacuity with synoptophore.

Time frame: 3 months

binocular single vision

measure the triple visual function including simultaneous vision, fusion range and distance stereoacuity with synoptophore.

Time frame: 6 months

stereoacuity

measure near stereoacuity in downgaze position and distance stereoacuity in primary position with random-dot stereopsis.

Time frame: 6 weeks

stereoacuity

measure near stereoacuity in downgaze position and distance stereoacuity in primary position with random-dot stereopsis.

Central Contacts

Yang Huasheng

CONTACT

+00862087331539 yanghs64@163.com

Data from ClinicalTrials.gov

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