Posterior staphyloma is an integral condition for pathologic myopia. Curtin classified a posterior staphyloma into ten distinct types, and his classification has been widely used to date. Types I through V are primary staphyloma, and types VI through X are compound staphyloma which accompanies irregular curvature within the outermost line of primary staphyloma. However, with the advent of new imaging modalities like OCT, it has been found that the irregularities of scleral curvature within the area of staphyloma are much more complicated than it was expected. Recently, wider area of the fundus can be beautifully analyzed by using Optos, and also by using 3D MRI technique, it has recently been possible to analyze the entire shape of globe.
Thus, in this chapter, the pattern of posterior staphyloma by using 3D MRI and Optos is analyzed, and a new classification scheme for posterior staphyloma is proposed.
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