A New Approach to Vision Therapy Based on Naturalistic 3-D Computer Gaming
基于自然 3D 计算机游戏的视觉治疗新方法
基本信息
- 批准号:8000208
- 负责人:
- 金额:$ 6.37万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2010
- 资助国家:美国
- 起止时间:2010-09-30 至 2011-01-31
- 项目状态:已结题
- 来源:
- 关键词:12 year old18 year old3-DimensionalAddressAdultAmblyopiaApplications GrantsBinocular Vision DisorderChildChronicClinical ResearchComputer softwareComputersCuesDataDependenceDevelopmentDevicesDiseaseEnvironmentEquipmentEsophoriaEsotropiaExerciseExophoriaExotropiaEyeFigs - dietaryGlassGoalsHeadHead MovementsHome environmentHumanImageLeadLearning DisabilitiesLeftMarketingMonitorMotionOptometristOutcomePatient NoncompliancePatientsPerformancePerformance at workPeripheralPhasePhysical therapy exercisesPlasmaPlayPopulationPositioning AttributePublished CommentRecordsRefractive ErrorsRelative (related person)ResearchRunningSignal TransductionSimulateSmall Business Innovation Research GrantStudentsSymptomsSystemTechniquesTechnologyTeenagersTennisTestingTherapeuticThree-Dimensional ImageTimeTrainingTranslatingUniversitiesVideo GamesVirginiaVisionVision DisordersVisualWireless TechnologyWorkabstractingbaseclinical practicecomparativecompliance behaviorcomputer monitorcomputerizedcostfootimprovedinput deviceinterestmonocularnovelnovel strategiesprogramsprototyperesponseskillsstandard carestereoscopicsuccesstooltwo-dimensionalvirtualvirtual reality
项目摘要
DESCRIPTION (provided by applicant): Convergence disorders and refractive amblyopia are among the most common and treatable vision problems seen in general optometric clinical practice. Oce- and home-based vision therapy (OBVT and HBVT, respectively) are standard treatments for such disorders. Recent advances in computerized video therapies that emulate vision therapy exercises performed in the optometrist's oce provide a lower-cost and more convenient alternative to OBVT. The downside of current commercial HBVT systems is that the recommended eye exercises are highly repetitive, monotonous, and uninteresting, which leads to high levels of patient noncompliance. This presents a problem since consistent performance and proper technique are key to achieving therapeutic benet. An alternative approach, which oers strong potential to increase the success of HBVT, is to incorporate vision therapy into fun and interactive computer games that patients will nd more engaging. To address this need, Barron Associates proposes to develop a novel computerized virtual reality HBVT system called iCare that will overcome the limitations of present systems by addressing three obstacles to successful home treatment: (1) patient compliance; (2) procedural accuracy; and (3) the ability of the optometrist to monitor training. The proposed approach takes advantage of advanced human-interface devices (HIDs) (e.g., Wii Remote Controllers) that have been developed for the video gaming market. Due to the popularity of video gaming, HID technology that would have been prohibitively expensive in the recent past is now widely available at low cost (e.g., < $40). These o-the-shelf HIDs permit the creation of virtual three-dimensional (3-D) environments on computer monitors (for \near-point" vision therapy) or plasma displays (for \distance" vision therapy). Traditional 3-D graphics technology based on \3-D glasses" (i.e., red-blue anaglyphs) is static with respect to the frame of the viewing device; that is, the image is the same regardless of the viewer's position relative to the monitor. The proposed iCare technology exploits motion parallax via low-cost tracking of the patient's head position and orientation, creating a dynamic visual 3-D environment. Visually, the technology allows the viewer to perceive objects as if they are coming o of, or receding into, the screen. This enables the creation of virtual xation objects in a nearly innite 3-D space. Users can even see \behind" and manipulate virtual objects. Under this SBIR Fast Track grant application, the proposing Team will develop and test prototype computer gaming environments for HBVT using the technology outlined above to improve treatment eectiveness. Phase I therapy will be aimed at treating refractive amblyopia in children 8-12 years of age; Phase II will focus on treating refractive amblyopia in teens and adults, as well as convergence insuciency in both populations. These disorders are clearly amenable to vision therapy and are common in clinical practice. For both vision problems, clinical studies of the comparative eectiveness of the most popular computerized HBVT programs vs. the iCare system's games will be conducted in children to assess the ecacy of the iCare system.
PUBLIC HEALTH RELEVANCE: Convergence insuciency is one of the most common binocular vision disorders, and refractive amblyopia a vision disorder for which a very-high percentage of patients seek treatment; both disorders aect millions of U.S. children and adults. Such vision anomalies can cause a variety of chronic symptoms which, left untreated, often degrade academic and work performance; they may even result in learning disabilities in some cases. Computerized home-based vision therapy (HBVT) provides a relatively low-cost and convenient treatment option; however, the available commercial HBVT programs are highly repetitive and dull, leading to poor compliance. The goal of this research is to make HBVT a more eective alternative to oce-based vision therapy by incorporating the eye exercises into fun, interesting, and interactive computer video games that patients will nd more engaging, which should lead to better compliance and improved therapeutic outcomes.
描述(由申请人提供):会聚障碍和屈光性弱视是在普通验光临床实践中最常见和最可治疗的视力问题。OCE和基于家庭的视觉疗法(分别为OBVT和HBVT)是此类疾病的标准治疗方法。计算机视频治疗的最新进展,模拟在验光师的OCE中进行的视力治疗练习,为OBVT提供了一种更低成本和更方便的替代方案。目前商业HBVT系统的缺点是推荐的眼操高度重复、单调和乏味,这导致患者高度不依从性。这带来了一个问题,因为始终如一的表现和适当的技术是实现治疗贝奈特的关键。另一种方法是将视觉疗法融入有趣和互动的电脑游戏中,使患者更感兴趣,这一方法具有增加HBVT成功的巨大潜力。为了满足这一需求,Barron Associates建议开发一种名为iCare的新型计算机化虚拟现实HBVT系统,该系统将通过解决成功的家庭治疗的三个障碍来克服现有系统的局限性:(1)患者依从性;(2)程序准确性;(3)验光师监控培训的能力。建议的方法利用了为视频游戏市场开发的高级人机界面设备(HID)(例如Wii遥控器)。由于视频游戏的流行,HID技术在最近的过去会贵得令人望而却步,现在可以以低成本(例如,40美元)广泛获得。这些现成的HID允许在计算机显示器(用于近点视力疗法)或等离子显示器(用于远距离视力疗法)上创建虚拟三维(3-D)环境。基于3-D眼镜的传统3-D图形技术“(即红蓝浮雕)相对于观看设备的边框是静态的;也就是说,无论观看者相对于显示器的位置如何,图像都是相同的。拟议的iCare技术通过低成本跟踪患者的头部位置和方向来利用运动视差,创建动态的可视3-D环境。在视觉上,这项技术允许观看者感知物体,就像它们从屏幕上走出来或消失在屏幕上一样。这使得能够在近乎原始的3-D空间中创建虚拟Xation对象。用户甚至可以看到“背后”,并操纵虚拟物体。根据这项SBIR快速通道拨款申请,提议团队将使用上述技术为HBVT开发和测试原型计算机游戏环境,以提高治疗效率。第一阶段的治疗目标是治疗8-12岁儿童的屈光性弱视;第二阶段的治疗重点是治疗青少年和成年人的屈光性弱视,以及这两个人群的趋同障碍。这些障碍显然可以接受视力治疗,在临床实践中也很常见。对于这两种视力问题,将在儿童中进行最受欢迎的计算机化HBVT程序与iCare系统游戏的效率比较的临床研究,以评估iCare系统的有效性。
公共卫生相关性:收敛障碍是最常见的双眼视觉障碍之一,屈光性弱视是一种视力障碍,有很高比例的患者寻求治疗;这两种疾病都影响着数百万美国儿童和成年人。这种视力异常会导致各种慢性症状,如果不加以治疗,往往会降低学习和工作表现;在某些情况下,它们甚至可能导致学习障碍。电脑化家庭视觉治疗(HBVT)提供了一种相对低成本和方便的治疗选择;然而,现有的商业HBVT计划高度重复和枯燥,导致依从性差。这项研究的目标是通过将眼部练习融入有趣、有趣和互动的电脑视频游戏中,使HBVT成为基于OCE的视力治疗的更有效的替代方案,这将使患者更感兴趣,这应该会导致更好的依从性和改善的治疗结果。
项目成果
期刊论文数量(0)
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会议论文数量(0)
专利数量(0)
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