Kurokawa Kazuhiro, Tamada Daiki, Makita Shuichi, Yasuno Yoshiaki
Computational Optics Group in the University of Tsukuba, Tsukbua, Ibaraki, Japan.
Opt Express. 2010 Jan 18;18(2):1406-18. doi: 10.1364/OE.18.001406.
We developed an adaptive optics (AO) retinal scanner by using a light source with a center wavelength of 1-microm. In a recent study on optical coherence tomography (OCT), it was proved that 1-microm light provided higher image contrast of deep region of the eye than 840-nm light. Further, high lateral resolution retinal images were obtained with AO. In this study, we performed measurements on two normal subjects in the AO-SLO mode and analyzed its performance toward developing the AO-OCT. With AO correction, we found that the residual RMS wavefront error of ocular aberration was less than 0.1 microm. We also found that the AO retinal scanner in the AO-SLO mode enabled enhanced observation of photoreceptor mosaic.
我们通过使用中心波长为1微米的光源开发了一种自适应光学（AO）视网膜扫描仪。在最近一项关于光学相干断层扫描（OCT）的研究中，已证明1微米的光比840纳米的光在眼部深层区域提供更高的图像对比度。此外，利用AO获得了高横向分辨率的视网膜图像。在本研究中，我们以AO-SLO模式对两名正常受试者进行了测量，并分析了其在开发AO-OCT方面的性能。通过AO校正，我们发现眼部像差的残余均方根波前误差小于0.1微米。我们还发现，处于AO-SLO模式的AO视网膜扫描仪能够增强对视锥细胞镶嵌的观察。
