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Biomedical Optics Express

Biomedical Optics Express

  • Editor: Joseph A. Izatt
  • Vol. 3, Iss. 10 — Oct. 1, 2012
  • pp: 2611–2622

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

Christy K. Sheehy, Qiang Yang, David W. Arathorn, Pavan Tiruveedhula, Johannes F. de Boer, and Austin Roorda  »View Author Affiliations


Biomedical Optics Express, Vol. 3, Issue 10, pp. 2611-2622 (2012)
http://dx.doi.org/10.1364/BOE.3.002611


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Abstract

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° field of view (FOV) and operates with a flexible field of view of 1°–5.5°. 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°, individual cone photoreceptors were clearly visible at eccentricities outside of the fovea.

© 2012 OSA

OCIS Codes
(170.4460) Medical optics and biotechnology : Ophthalmic optics and devices
(330.2210) Vision, color, and visual optics : Vision - eye movements
(330.4460) Vision, color, and visual optics : Ophthalmic optics and devices

ToC Category:
Ophthalmology Applications

History
Original Manuscript: July 23, 2012
Revised Manuscript: September 17, 2012
Manuscript Accepted: September 17, 2012
Published: September 19, 2012

Citation
Christy K. Sheehy, Qiang Yang, David W. Arathorn, Pavan Tiruveedhula, Johannes F. de Boer, and Austin Roorda, "High-speed, image-based eye tracking with a scanning laser ophthalmoscope," Biomed. Opt. Express 3, 2611-2622 (2012)
http://www.opticsinfobase.org/boe/abstract.cfm?URI=boe-3-10-2611


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