Symmetric Versus Asymmetric Bilateral Lateral Rectus Recession in Management of Basic Intermittent Exotropia With Ocular Dominance
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 40
- 试验地点
- 2
- 主要终点
- Ocular Alignment at Distant Fixation
研究概览
简要总结
The study aims to investigate ocular motor and sensory outcomes of two different strategies of lateral rectus recession; symmetric and asymmetric, in management of basic type intermittent exotropia with ocular dominance.
详细描述
Surgical management of basic -type intermittent exotropia with a dominant eye is controversial. Some surgeons do traditional symmetrical bilateral lateral rectus recession, while other perform unilateral recess-resect procedure in the non-dominant eye. The aim of this study is to investigate the effect of two different strategies of bilateral lateral rectus recession; symmetrical recession in which the amount of recession is equally divided between both eyes, and asymmetrical recession, in which the amount of recession is 2mm more in the non-dominant. Outcome measures include ocular deviation at distant and near fixation, sensory status and complications.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Treatment
- 盲法
- Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
入排标准
- 年龄范围
- 4 Years 至 —（Child, Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Basic-type intermittent exotropia
- •Simulated distant-type intermittent exotropia
排除标准
- •Alternating basic-type intermittent exotropia (no ocular dominance)
- •Distant-type intermittent exotropia
- •Convergence-insufficiency type intermittent exotropia
- •Constant exotropia
- •Sensory exotropia
- •Deep amblyopia
- •Paralytic or restrictive exotropia
- •Previous extraocular muscle surgery
结局指标
主要结局
Ocular Alignment at Distant Fixation
时间窗: one year
ocular alignment in prism diopter (PD) at distant fixation (6 meter) is measured using alternate prism and cover test (APCT) while patient wears refractive correction.
Ocular Alignment at Near Fixation
时间窗: one year
ocular alignment in prism diopter (PD) at near fixation (1/3 meter) is measured using alternate prism and cover test (APCT) while patient wears refractive correction.
次要结局
- Sensory Status (Stereopsis)(one year)
- Sensory Status (Fusion)(one year)
研究者
Mohamed Fathy Farid
Professor
Benha University