人造环境中的空间对比度分布产生区域视觉形式剥夺
William E Myles1,2, Sally A McFadden1,2,3, Quan V Hoang1,2,4
1Department of Ophthalmology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.
Investigative ophthalmology & visual science
|August 18, 2025
概括
人造环境可能会导致近视,因为低对比度导致区域环境形式剥夺 (eFD). 在人工环境中限制eFD可能有助于预防近视发作.
科学领域:
- 眼科医生 眼科 眼科
- 环境科学 环境科学
- 视觉神经科学是一种神经科学.
背景情况:
- 近视 (近视) 在户外时间较少的儿童或在城市环境中生活的儿童中更为普遍.
- 人造环境可能通过改变空间对比度分布导致近视,从而导致环境形式剥夺 (eFD).
研究的目的:
- 调查不同环境中的区域环境形式剥夺 (eFD) 的流行程度和特征.
- 评估人造环境中的eFD与近视发展之间的潜在联系.
主要方法:
- 分析了来自自然,混合城市,城市和室内环境的590张图像,将它们分成区域,以计算加权对比能量 (CEw).
- 将低CEw区分为eFD,比较它们在不同环境中的流行率和空间复杂性.
- 检查了限制视线活动对外围eFD的影响.
主要成果:
- 室内环境显示出对eFD的最大潜力 (29.5%的视野),明显超过城市 (15.2%),混合城市 (6.7%) 和自然 (2.8%) 设置.
- 室内环境呈现出明显较低的对比复杂性,可能导致持续的eFD,特别是在视觉外围.
- 在人造环境中,限制视界的任务加剧了外围eFD.
结论:
- 人造环境,特别是室内环境,由于没有特征的表面和低对比度,存在广泛的eFD.
- 在人工环境中从限制视力的活动中持续的外围eFD可能会导致近视的发展.
- 修改人工环境中的对比分布可能是预防近视发作的策略.
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