Retina imaging by using compact line scanning quasi-confocal ophthalmoscope
Chinese Optics Letters, Vol. 11, Issue 2, pp. 021101- (2013)
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Abstract
A compact line scanning quasi-confocal ophthalmoscope (LSO) is presented in this letter. Compared with a conventional scanning laser ophthalmoscope (SLO), the bench-top LSO significantly reduces the size, complexity, and cost of SLO utility with routine use. The LSO uses one moving part to produce high-contrast and high-resolution quasi-confocal images with nearly the same performance as a SLO. The LSO has a moderate field of view (~10°), which enables images of the macula, the optic nerve head, and other targets to be obtained more quickly and efficiently. An image of the optic nerve head is taken in a preliminary investigation on human subjects. Individual nerve fiber bundles and vessels are resolved at a shallow depth, with a lateral resolution of nearly 10 μm.
© 2013 Chinese Optics Letters
OCIS Codes
(110.0110) Imaging systems : Imaging systems
(170.1790) Medical optics and biotechnology : Confocal microscopy
(170.4460) Medical optics and biotechnology : Ophthalmic optics and devices
Citation
Yi He, Hao Li, Jing Lu, Guohua Shi, and Yudong Zhang, "Retina imaging by using compact line scanning quasi-confocal ophthalmoscope," Chin. Opt. Lett. 11, 021101- (2013)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-11-2-021101
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