Di-Oct1 Unit 3 Essay

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We used DRI-OCT1 (Topcon Inc., Tokyo, Japan) based on swept source OCT technology, with a scanning speed of 100000 A-scans/s. The scan protocol was a 3D volumetric macular scan 6x6 mm square containing 512 x 128 A-scans. The center wavelength of the probe beam was 1060 nm. This long-wavelength probe enables deep choroidal penetration. The axial resolution of this system is 8 μ in tissue. Automated built-in software was used to create a choroidal thickness map of 6X6 mm from 128 images of each 3D data set. The consecutive en face images between RPE and chorioscleral interface were constructed using software co-developed with Topcon.21
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