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临床试验/NCT00345228
NCT00345228已完成不适用

Myopic Macular Haemorrhages

Singapore National Eye Centre1 个研究点 分布在 1 个国家目标入组 30 人开始时间: 2004年6月最近更新:
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适应症

试验速览

阶段
不适用
状态
已完成
入组人数
30
试验地点
1
研究概览研究设计入排标准研究者研究点记录与标识符相似试验

研究概览

简要总结

  1. To identify the underlying causes of macular haemorrhages in patients with high myopia
  2. In the eyes found to have macular haemorrhages secondary to choroidal neovascularisation, we hope to identify the risk factors for the development of choroidal neovascularisation in high myopia
  3. To study the functional outcome of these eyes as assessed by visual acuity
  4. To study the morphological outcome of these eyes by clinical assessment (and fundal photography) and fluorescein angiography

详细描述

Primary Aims

  • To identify the underlying aetiologies of macular haemorrhages in myopic eyes
  • To study the functional and morphological outcome of these eyes with macular haemorrhages 6 months later Secondary Aims
  • To study the subgroup of eyes with myopic choroidal neovascularisation (CNV), in particular the risk factors for CNV in myopes
  • To study the subgroup of eyes with macular haemorrhages in the absence of CNV

Plan of investigation:

  1. Patient with myopia (>-6.00DS) presents with loss of central vision
  2. Examination reveals a macular haemorrhage
  3. Investigations
  • Refraction
  • Axial length*
  • Fundus fluorescein angiography
  • Indocyanine green angiography*
  1. Determine if a myopic CNV is present or absent
  2. Management of patient: Treatment vs No treatment

研究设计

研究类型
Observational
观察模型
Defined Population
时间视角
Other

入排标准

年龄范围
18 Years 至 —（Adult, Older Adult）
性别
All
接受健康志愿者
否

入选标准

  • •High myopia (greater than -6.00DS)
  • •Macular haemorrhage

排除标准

  • •Macular haemorrhages from other causes eg. diabetic retinopathy, hypertensive retinopathy
  • •Allergy to fluorescein or indocyanine green dyes

研究者

申办方类型
Other Gov

研究点 (1)

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