Nagataki S, Lee D A, Iri M
Invest Ophthalmol Vis Sci. 1984 Oct;25(10):1192-7.
Equations are described to derive the true anterior chamber dimensions of an eye from a photograph of its optical section. If the surface of the eye is assumed to be spherical, the three-dimensional coordinates of rays emanating from the anterior chamber to a camera can be transformed to two-dimensional coordinates on a plane, which contains rays both inside and outside of the "eye." The actual dimensions of the anterior chamber then were computed on the basis of the ray tracing over the entire corneal surface. The accuracy of the equations was checked using scales prepared from photographs of curvilinear grids inside an artificial anterior chamber. The advantages of this method are that the true anterior chamber dimensions can be measured in an eye of any corneal curvature and with any type of slit-lamp camera. It appears sufficiently accurate and convenient to be used for clinical and animal studies.
文中描述了一些方程式，用于从眼睛光学切片的照片中推导其真实前房尺寸。如果假设眼睛表面为球形，那么从前房发出并射向相机的光线的三维坐标可转换为一个平面上的二维坐标，该平面包含“眼睛”内外的光线。然后根据在整个角膜表面的光线追踪计算前房的实际尺寸。使用从人工前房内的曲线网格照片制备的比例尺来检验这些方程式的准确性。该方法的优点在于，可以在任何角膜曲率的眼睛以及使用任何类型裂隙灯相机的情况下测量真实的前房尺寸。它看起来足够准确且方便，可用于临床和动物研究。
