ARBi - Assessment and Rehabilitation of Binocular Sensorimotor Disorders

ARBi - 双眼感觉运动障碍的评估和康复

基本信息

  • 批准号:
    10366392
  • 负责人:
  • 金额:
    $ 59.49万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2022
  • 资助国家:
    美国
  • 起止时间:
    2022-02-01 至 2026-12-31
  • 项目状态:
    未结题

项目摘要

PROJECT SUMMARY Binocular vision relies on a synergy between sensory and motor fusional mechanisms that jointly construct a single percept of the environment from the differing images formed on the two retinae. A stereoscopic sensory representation of the environment is required for accurate binocular eye movements, which in turn are required for stereoscopic sensory vision. A failure in either component of this system, especially during development, can lead to permanent binocular vision impairment. Sensory impairments can include amblyopia, diplopia and suppression, oculomotor impairments can include strabismus and vergence insufficiency, while socio-economic sequelae include lost education, sport and job opportunities and elevated adverse health risks. The current treatments for amblyopia (occlusion and penalization) are primarily monocular and do not promote binocular perception or eye movement coordination. Similarly, treatments for strabismus do not typically address binocular perception. These limitations are at least partly due to a lack of practical methodologies for the assessment of sensory-motor function and partly due to a lack of coordinated sensory-motor therapies. Recent data show that there is significant plasticity in both sensory systems and motor systems, even in adults. Many groups are now exploring methods to promote sensory plasticity with digitally modified images in dichoptic games and movies, but considerably less attention has been directed to motor plasticity or sensory and motor plasticity together. We hypothesize that additional therapeutic gains and a lower risk of adverse side effects may be achieved with a combined sensory-motor therapeutic approach that is monitored by effective sensory-motor endpoints. We argue i) that the pace of commercialization of virtual reality therapies for anisometropic amblyopia intensifies the need simultaneously to understand sensory and oculomotor deficits in strabismic amblyopia and ii) that the high levels of recidivism following surgical intervention may benefit from combined sensorimotor rehabilitation. In Aim 1, we develop and evaluate efficient methods to measure sensory and motor deficits in people with binocular vision impairment and to provide a quantitative framework for evidence-based assessment of sensory-motor therapy. In Aim 2, we measure the impact across the visual field of strabismus on the three-dimensional representation of virtual and natural environments to understand how the distribution of naturally occurring depth statistics across the visual field may impact the development of binocular sensory and motor deficits and moderate their response to treatment. In Aim 3, we develop and evaluate feedback-based methods that aim to facilitate and maintain ocular alignment and examine the potential benefit of simultaneous sensory and motor interventions for binocular visual function. In each Aim, we employ both laboratory stimuli, because of their high level of control, and natural and virtual 3D scenes, because of their rich structure and relevance to real-world deficits. The overall goal is to demonstrate the theoretical foundation for combined sensory and motor therapeutic approaches to binocular visual dysfunction.
项目摘要 双眼视觉依赖于感觉和运动融合机制之间的协同作用,共同构建了 从两个视网膜上形成的不同图像中获得对环境的单一感知。一种立体感 精确的双眼眼球运动需要环境的表示,这反过来又需要 用于立体视觉。该系统的任何一个组件出现故障,特别是在开发过程中, 导致永久性双眼视觉损伤。感觉障碍可包括弱视、复视和 抑制,眼损害可以包括斜视和聚散不足,而社会经济 后遗症包括失去教育、体育和就业机会,以及增加不利的健康风险。当前 弱视的治疗(遮盖和惩罚)主要是单眼的, 感知或眼动协调。同样,斜视的治疗通常不解决双眼 perception.这些局限性至少部分是由于缺乏实际的评估方法, 部分原因是缺乏协调的感觉运动疗法。 最近的数据表明,即使在成年人中,感觉系统和运动系统也存在显著的可塑性。 许多团体现在正在探索通过数字修改图像来促进感官可塑性的方法, 在运动神经可塑性和感觉神经可塑性方面, 和运动可塑性结合在一起。我们假设,额外的治疗收益和不良反应的风险较低, 通过有效的感觉-运动治疗方法监测, 感觉运动终点。我们认为i)虚拟现实疗法商业化的步伐 屈光参差性弱视加强了同时了解感觉和视力缺陷的需要, 斜视性弱视和ii)手术干预后的高水平复发可能受益于 联合感觉运动康复在目标1中,我们开发和评估有效的方法来测量感官 和运动缺陷的人与双眼视觉障碍,并提供一个定量框架, 感觉运动疗法的循证评估。在目标2中,我们测量整个视野的影响 斜视的三维表示的虚拟和自然环境,以了解如何 自然发生的深度统计在整个视野中的分布可能会影响 双眼感觉和运动缺陷,并缓和其对治疗的反应。在目标3中,我们开发和 评估旨在促进和维持眼球对准的基于反馈的方法,并检查 同时进行感觉和运动干预对双眼视觉功能的潜在益处。在每个目标中,我们 采用实验室刺激,因为它们的控制水平高,自然和虚拟3D场景, 因为它们丰富的结构和现实世界的赤字相关性。总体目标是展示 为双眼视觉功能障碍的感觉和运动联合治疗提供理论基础。

项目成果

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MARTIN S BANKS其他文献

MARTIN S BANKS的其他文献

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{{ truncateString('MARTIN S BANKS', 18)}}的其他基金

A New Approach to Restoring Visual Acuity and Stereopsis in Adults with Amblyopia
恢复成人弱视患者视力和立体视觉的新方法
  • 批准号:
    10047179
  • 财政年份:
    2010
  • 资助金额:
    $ 59.49万
  • 项目类别:
Improvements in 3D Visualization for Vision Research
视觉研究 3D 可视化的改进
  • 批准号:
    6794034
  • 财政年份:
    2002
  • 资助金额:
    $ 59.49万
  • 项目类别:
Improvements in 3D Visualization for Vision Research
视觉研究 3D 可视化的改进
  • 批准号:
    6936515
  • 财政年份:
    2002
  • 资助金额:
    $ 59.49万
  • 项目类别:
Improvements in 3D Visualization for Vision Research
视觉研究 3D 可视化的改进
  • 批准号:
    7922276
  • 财政年份:
    2002
  • 资助金额:
    $ 59.49万
  • 项目类别:
Improvements in 3D Visualization for Vision Research
视觉研究 3D 可视化的改进
  • 批准号:
    8073465
  • 财政年份:
    2002
  • 资助金额:
    $ 59.49万
  • 项目类别:
Improvements in 3D Visualization for Vision Research
视觉研究 3D 可视化的改进
  • 批准号:
    7466717
  • 财政年份:
    2002
  • 资助金额:
    $ 59.49万
  • 项目类别:
Improvements in 3D Visualization for Vision Research
视觉研究 3D 可视化的改进
  • 批准号:
    6521945
  • 财政年份:
    2002
  • 资助金额:
    $ 59.49万
  • 项目类别:
Improvements in 3D Visualization for Vision Research
视觉研究 3D 可视化的改进
  • 批准号:
    6658194
  • 财政年份:
    2002
  • 资助金额:
    $ 59.49万
  • 项目类别:
CORE--BIOSTATISTICS AND COMPUTER
核心--生物统计学和计算机
  • 批准号:
    6659266
  • 财政年份:
    2002
  • 资助金额:
    $ 59.49万
  • 项目类别:
Improvements in 3D Visualization for Vision Research
视觉研究 3D 可视化的改进
  • 批准号:
    7826604
  • 财政年份:
    2002
  • 资助金额:
    $ 59.49万
  • 项目类别:

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