CORNEAL CURVATURE RADIUS CALCULATION DEVICE, LINE-OF-SIGHT DETECTION DEVICE, CORNEAL CURVATURE RADIUS CALCULATION METHOD, AND CORNEAL CURVATURE RADIUS CALCULATION PROGRAM
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机译:角膜曲率半径计算装置,视线检测装置,角膜曲率半径计算方法,以及角膜曲率半径计算程序
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摘要
This corneal curvature radius calculation device comprises: a first light source and a second light source that emit beams of detection light from differing positions onto at least one eyeball of a subject; an image capture unit that captures an image of the eyeball of the subject onto which the detection light has been emitted; a position calculation unit that, on the basis of the image of the eyeball of the subject captured by the image capture unit, calculates the position of a first corneal reflection center formed by the detection light from the first light source and the position of a second corneal reflection center formed by the detection light from the second light source; a center distance calculation unit that calculates the inter-center distance between the position of the first corneal reflection center and the second corneal reflection center; and a corneal curvature radius calculation unit that calculates the corneal curvature radius of the eyeball of the subject on the basis of the inter-center distance and the distance between the image capture unit and the eyeball of the subject.
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