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R A Moses, W J Grodzki; The scleral spur and scleral roll.. Invest. Ophthalmol. Vis. Sci. 1977;16(10):925-931.
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The scleral spur and scleral roll together form a fibrous hoop which may be detached from adjacent structures as a unit. Tensile tests of the spur-roll resemble reported data on sclera. It is proposed that the circular structure of the spur-roll prevents action of the meridional portion of the ciliary muscle on the trabecular meshwork from collapsing the canal of Schlemm.
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