布拉德福德视觉功能盒可以预测难以测试的儿童的视觉敏性
Amar Shah1, Rachel F Pilling2, J Margaret Woodhouse1
1School of Optometry & Vision Sciences, Cardiff University, Cardiff, UK.
Clinical & experimental optometry
|August 27, 2025
概括
布拉德福德视觉功能盒 (BVFB) 有效地估计了无法完成标准敏度测试的儿童的视觉功能. 虽然BVFB通常是准确的,但偶尔会高估或低估孩子的视觉能力.
科学领域:
- 眼科 眼科
- 儿童视力评估
- 特殊教育
背景情况:
- 对于有特殊教育需要的儿童来说, 传统的视力测试具有挑战性.
- 估计功能视觉对于理解与学习相关的视觉使用至关重要.
- 布拉德福德视觉功能盒 (BVFB) 有助于评估未参与儿童的视觉功能.
研究的目的:
- 确定布拉德福德视觉功能盒 (BVFB) 结果与临床敏度得分之间的关系.
- 评估BVFB在预测特殊需求儿童视觉潜力的有用性.
主要方法:
- 对79名参加特殊学校的儿童的临床数据进行了回顾性分析.
- 视力分为四类:正常,低视力,视力受损和严重视力受损.
- 31名儿童使用BVFB进行了评估,16名儿童随后接受了常规测试.
主要成果:
- 九名儿童在BVFB和常规测试中获得相同的视觉分类.
- 在四个孩子的视力低估和高估在三个.
- 在未能参加正式测试的儿童中,BVFB在预测视觉潜力方面表现出实用性.
结论:
- 对于有特殊教育需求的幼儿视觉功能评估来说,BVFB是一个有价值的工具.
- 随着儿童发展视力能力,应继续进行正式的视力测试.
- 在正式测试尚未可行的情况下,BVFB提供了对未来视觉潜力的有用预测.
相关概念视频
Depth Perception and Spatial Vision
2.7K
Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
2.7K
Visual Agnosia
2.0K
Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round...
2.0K
Learning Disabilities
697
Learning disabilities are cognitive disorders caused by neurological impairments that affect cognitive functions like language and reading, without indicating overall intellectual or developmental challenges. These disabilities differ from global intellectual or developmental disabilities as they are limited to distinct cognitive functions. Common learning disabilities include dysgraphia, dyslexia, and dyscalculia, each of which impacts unique aspects of learning.
Dyslexia
Dyslexia is a...
Dyslexia
Dyslexia is a...
697


