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Vision

Vision

Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.

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相关实验视频

Updated: Jun 16, 2026

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

视觉信息处理视觉治疗可以提高学业成绩吗? 一个随机临床试验.

Timothy R Fricke^1,2, Andrew B Metha¹, Dianne P Anderson³

¹Department of Optometry and Vision Sciences, University of Melbourne, Melbourne, Victoria, Australia.

Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists)

|August 25, 2023

概括

视觉治疗 (VT) 并没有显著改善儿童的学业表现或大多数视觉信息处理 (VIP) 技能. 只有视觉序列记忆显示中度改善,这表明安慰剂效应可能影响结果.

关键词:

发展发展发展发展发展.教育教育教育教育的教育.视觉治疗视觉治疗视觉信息的处理视觉信息的处理

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Last Updated: Jun 16, 2026

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

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Vision Training Methods for Sports Concussion Mitigation and Management

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Published on: May 5, 2015

科学领域:

儿科光学测量儿科光学测量
教育心理学教育心理学
认知科学认知科学

背景情况:

视觉治疗 (VT) 通常用于增强儿童视觉信息处理 (VIP) 技能.
典型的VT课程在学业成绩和特定的VIP技能方面的有效性需要严格的评估.
确定VT超出安慰剂或一般认知改善的特定益处至关重要.

研究的目的:

评估标准视觉治疗 (VT) 计划在提高视觉信息处理 (VIP) 技能方面的有效性.
为了确定VT参与是否导致早期小学儿童学业表现的提高.
为了区分特定的VT效应与潜在的安慰剂或回归到平均值效应.

主要方法:

进行了一项双盲随机临床试验,对94名初中儿童进行了随机临床试验.
参与者被分配到VIP VT计划或安慰剂训练计划中,持续10周.
在干预后立即进行标准化教育和VIP测试,并在6个月后进行随访.

主要成果:

与安慰剂相比,VT计划在学术测试 (阅读,拼写,数学) 中没有显著改善.
在六项VIP测试中,五项测试显示VT和安慰剂组之间没有显著差异.
与对照组相比,在VT组的视觉序列记忆 (VSM) 中观察到适度的改善.

结论:

视力治疗计划所观察到的益处与对照组相比,表明特定疗效有限.
提高VIP和学业成绩可能归因于安慰剂效应或一般认知增强.
需要进一步的研究来分离视觉治疗干预的具体机制和有效性.