Further development of experimental techniques for refilling the lens of animal eyes with a balloon

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Abstract
Various techniques for experimental refilling of the lens of animal eyes are possible. We describe two new methods: Balloon insertion after endocapsular phacoemulsification and after phacoemulsification with circular capsulorhexis. The feasibility of these techniques was tested in both rabbit eyes and pig cadaver eyes. With organosilicone gel as the balloon filling material, postoperative refractive changes of up to 4 diopters of residual hyperopia were achieved; accommodation changes were up to −1 diopter. The technique of refilling the lens with a balloon to avoid leakage of filling material warrants further study.