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在从事日常活动的门诊受试者中，眼球追踪眼镜监测的眼眶内眼球运动的分布情况。

Distribution of Globe Excursions Within the Orbits Monitored by Eye Tracking Glasses in Ambulatory Subjects Engaged in Their Normal Daily Activities.

作者信息

Zheng Yicen J, Gentry Thomas N, Economides John R, Horton Jonathan C

机构信息

Program in Neuroscience, Department of Ophthalmology, University of California, San Francisco, San Francisco, California, United States.

出版信息

Invest Ophthalmol Vis Sci. 2025 Mar 3;66(3):20. doi: 10.1167/iovs.66.3.20.

DOI:10.1167/iovs.66.3.20
PMID:40062817
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11905580/
Abstract

PURPOSE

It is unknown how gaze angle deviates over the course of normal daily activities, and whether its distribution is affected by vergence. To address these issues, an eye tracker was used to record eye positions in ambulatory subjects engaged in their usual pursuits.

METHODS

Twenty-seven normal subjects with a mean age of 23.6 years (range, 4-68 years) wore the eye tracking glasses, generating 328 min/person of usable data. Histograms were compiled to show the distribution of (1) horizontal gaze angles, (2) vertical gaze angles, and (3) vergence.

RESULTS

The histogram of horizontal gaze angles showed a bimodal distribution of vergence, with a distance peak at 1.6° and a near peak at 7.6°. The mean standard deviation of eye position was greater during far viewing (8.93°) than near viewing (6.65°). Horizontal eye position deviated by more than 25° from primary position less than 1% of the time. Vertical eye position shifted from a mean of -3.58° during far viewing to -8.54° during near viewing. Overall, the standard deviation of vertical eye position (11.63°) was greater than that of horizonal eye position (8.41°).

CONCLUSIONS

Deployment of a mobile eye tracker has revealed four main findings about eye position in the orbit. First, horizontal gaze angle remains within ±16.8° of primary gaze 95% of the time, reflecting an aversion to large horizontal ocular excursions. Second, mean vertical gaze position is shifted downward (-5.19°). Third, increased vergence is associated with a gaze shift downward. Fourth, increased vergence reduces the distribution of horizontal eye positions.

摘要

目的

目前尚不清楚在正常日常活动过程中注视角度如何偏离，以及其分布是否受辐辏影响。为了解决这些问题，使用眼动仪记录参与日常活动的非卧床受试者的眼睛位置。

方法

27名平均年龄为23.6岁（范围4 - 68岁）的正常受试者佩戴眼动追踪眼镜，每人产生328分钟的可用数据。编制直方图以显示（1）水平注视角度、（2）垂直注视角度和（3）辐辏的分布。

结果

水平注视角度的直方图显示辐辏呈双峰分布，远距峰值在1.6°，近距峰值在7.6°。远距观看时眼睛位置的平均标准差（8.93°）大于近距观看时（6.65°）。水平眼位偏离初始位置超过25°的时间不到1%。垂直眼位从远距观看时的平均 - 3.58°移至近距观看时的 - 8.54°。总体而言，垂直眼位的标准差（11.63°）大于水平眼位的标准差（8.41°）。

结论

使用移动眼动仪揭示了关于眼眶内眼睛位置的四个主要发现。第一，水平注视角度在95%的时间内保持在初始注视的±16.8°范围内，这反映出对大的水平眼球运动的厌恶。第二，平均垂直注视位置向下偏移（ - 5.19°）。第三，辐辏增加与注视向下移动有关。第四，辐辏增加会减少水平眼位的分布。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/98af/11905580/2ff99588706a/iovs-66-3-20-f010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/98af/11905580/afe6a60bf07a/iovs-66-3-20-f001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/98af/11905580/cb3aad78d02a/iovs-66-3-20-f002.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/98af/11905580/55ae516f82da/iovs-66-3-20-f007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/98af/11905580/bc3fcef58168/iovs-66-3-20-f008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/98af/11905580/87cab645814a/iovs-66-3-20-f009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/98af/11905580/2ff99588706a/iovs-66-3-20-f010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/98af/11905580/afe6a60bf07a/iovs-66-3-20-f001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/98af/11905580/cb3aad78d02a/iovs-66-3-20-f002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/98af/11905580/58b664f7dadc/iovs-66-3-20-f003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/98af/11905580/18b62e1441eb/iovs-66-3-20-f004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/98af/11905580/4fce4529cc45/iovs-66-3-20-f005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/98af/11905580/a25ecc1dcb85/iovs-66-3-20-f006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/98af/11905580/55ae516f82da/iovs-66-3-20-f007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/98af/11905580/bc3fcef58168/iovs-66-3-20-f008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/98af/11905580/87cab645814a/iovs-66-3-20-f009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/98af/11905580/2ff99588706a/iovs-66-3-20-f010.jpg

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