The relationship between visual resolution and cone spacing in the human fovea

被引：183

作者：

Rossi, Ethan A. ^{[1
]}

Roorda, Austin ^{[1
,2
]}

机构：

[1] Univ Calif Berkeley, Vis Sci Grad Grp, Berkeley, CA 94720 USA

[2] Univ Calif Berkeley, Sch Optometry, Berkeley, CA 94720 USA

来源：

NATURE NEUROSCIENCE | 2010年 / 13卷 / 02期

基金：

美国国家科学基金会; 美国国家卫生研究院;

关键词：

HUMAN RETINA; ADAPTIVE OPTICS; GANGLION-CELLS; TOPOGRAPHY; VISION; ACUITY; LIMITS;

D O I：

10.1038/nn.2465

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

Visual resolution decreases rapidly outside of the foveal center. The anatomical and physiological basis for this reduction is unclear. We used simultaneous adaptive optics imaging and psychophysical testing to measure cone spacing and resolution across the fovea, and found that resolution was limited by cone spacing only at the foveal center. Immediately outside of the center, resolution was worse than cone spacing predicted and better matched the sampling limit of midget retinal ganglion cells.

引用

页码：156 / 157

页数：2

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