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Deprecated: Implicit conversion from float 217.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Biomed+Opt+Express 2018 ; 9 (2): 360-72 Nephropedia Template TP
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Full ocular biometry through dual-depth whole-eye optical coherence tomography #MMPMID29552378
Kim HJ; Kim M; Hyeon MG; Choi Y; Kim BM
Biomed Opt Express 2018[Feb]; 9 (2): 360-72 PMID29552378show ga
We propose a new method of determining the optical axis (OA), pupillary axis (PA), and visual axis (VA) of the human eye by using dual-depth whole-eye optical coherence tomography (OCT). These axes, as well as the angles ??? between the OA and VA and ??? between PA and VA, are important in many ophthalmologic applications, especially in refractive surgery. Whole-eye images are reconstructed based on simultaneously acquired images of the anterior segment and retina. The light from a light source is split into two orthogonal polarization components for imaging the anterior segment and retina, respectively. The OA and PA are identified based on their geometric definitions by using the anterior segment image only, while the VA is detected through accurate correlation between the two images. The feasibility of our approach was tested using a model eye and human subjects.