High-speed, image-based eye tracking with a scanning laser ophthalmoscope

被引：97
|
作者：
Sheehy, Christy K. [1 ]
Yang, Qiang [2 ]
Arathorn, David W. [2 ]
Tiruveedhula, Pavan [1 ]
de Boer, Johannes F. [3 ]
Roorda, Austin [1 ]
机构：
[1] Univ Calif Berkeley, Sch Optometry, Berkeley, CA 94720 USA
[2] Montana State Univ, Bozeman, MT 59717 USA
[3] Rotterdam Ophthalm Inst, Rotterdam, Netherlands
来源：
BIOMEDICAL OPTICS EXPRESS | 2012年 / 3卷 / 10期
基金：
美国国家卫生研究院;
关键词：
DESIGN;
D O I：
10.1364/BOE.3.002611
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
We demonstrate a high-speed, image-based tracking scanning laser ophthalmoscope (TSLO) that can provide high fidelity structural images, real-time eye tracking and targeted stimulus delivery. The system was designed for diffraction-limited performance over an 8 degrees field of view (FOV) and operates with a flexible field of view of 1 degrees-5.5 degrees. Stabilized videos of the retina were generated showing an amplitude of motion after stabilization of 0.2 arcmin or less across all frequencies. In addition, the imaging laser can be modulated to place a stimulus on a targeted retinal location. We show a stimulus placement accuracy with a standard deviation less than 1 arcmin. With a smaller field size of 2 degrees, individual cone photoreceptors were clearly visible at eccentricities outside of the fovea. (C) 2012 Optical Society of America
引用
收藏
页码：2611 / 2622
页数：12
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