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R J Olson, H E Kaufman; A mathematical description of causative factors and prevention of elevated intraocular pressure after keratoplasty.. Invest. Ophthalmol. Vis. Sci. 1977;16(12):1085-1092.
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In keratoplasty with grafts the same size as the recipient bed, tight sutures and thick recipient corneal periphery distort the angle and may collapse the filtering meshwork. This can cause very high postoperative pressures, which can be avoided by the use of donor grafts larger than the recipient bed. These relationships can be mathematically predicted.
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