Identification of Minute Structure of Human Eye by Reflected Ultrasound

概要

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In opthalmology, ultrasonic echography is mainly used for examining the shape and position of diseased parts. Recently, it has come to be used for measuring quantitatively the human eyes, e. g., axial length value and keratometric value which are necessary to design intraocular lens. Moreover, identification of intraocular menbrane and other minute structures would enable us to diagnose various intraocular diseases such as retinal detachment, rentrolental fibroplasia, choroidal tumor. However, by conventional ultrasonic tomogram it is difficult to measure minute structures which are smaller than the pulse duration since the resolution of images is limited by the pulse duration. In this paper, we propose a method for measuring minute structure of human eyes by estimating reflection coefficient from the reflected ultrasound.
ライフサポート学会の論文