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大脑视觉障碍中的视觉行为 (ViBes):验证描述性工具以支持诊断和监测

Rachel F Pilling¹, Louise Allen², Pamela Anketell³

¹University of Bradford, UK.

The British and Irish orthoptic journal

|June 19, 2023

概括

一个新的ViBe矩阵有助于诊断未发言儿童的脑视力障碍 (CVI). 该工具提供标准化的视觉行为描述符,显示在复杂需求人群中识别CVI的中度至强度可靠性.

科学领域:

眼科医生眼科眼科
发育儿科发育儿科
神经科学是一个神经科学.

背景情况:

大脑视力障碍 (CVI) 是儿童视力丧失的主要原因.
目前的CVI诊断方法,依赖于视觉行为 (ViBes),对于前言语和前运动儿童来说具有挑战性.
需要一个结构化的方法来记录复杂需求的儿童的视觉行为,以促进CVI诊断.

研究的目的:

开发一种视觉行为矩阵,用于视觉障碍的语言前和运动前儿童.
为了确定这个新矩阵的内容有效性和评级者之间的可靠性,称为ViBe矩阵.
解决复杂需求的儿童所面临的诊断障碍,这些儿童无法接受标准的视觉评估.

主要方法:

视觉行为描述符被通过视觉专业的共识进行了整理和分类.
创建了一个矩阵,有三个功能 (注意力,场/固定,运动反应) 和五个级别 (0-4).
17个显示CVI相关视觉行为儿童的视频剪辑被六名视觉专业人员独立评分,使用ViBe矩阵来评估评分者之间的可靠性.

主要成果:

开发了ViBe矩阵,将视觉行为分类为特定的功能和级别.
使用科恩的卡帕评估了评价者之间的可靠性,得分为0.67.
这一分数表明使用ViBe矩阵的评级者之间存在中度至强度的共识.

结论:

标准化描述符,如ViBe矩阵中的描述符,可以帮助临床医生和教师识别复杂需求儿童的视觉问题.
ViBe矩阵显示了可接受的评分器间可靠性,使其成为研究和临床实践中潜在的有价值的工具.
这种矩阵可以帮助在无法使用传统检测方法的人群中识别和诊断CVI.

关键词:

评估评估的评估评估的评估.大脑视力障碍脑视力障碍皮层视觉障碍皮层视觉障碍诊断诊断诊断诊断诊断诊断儿科眼科儿科眼科

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