The only effective treatment for cataract is the surgical removal of the cataract (i.e. lens). Successful and accurate removal of the central 4-7 mm of the anterior capsule is the key to a successful operation. Currently, this is done by a multiple puncture and scraping or tearing technique. This method leaves the edges of the circular aperture in a ragged state. The authors present an investigation into the feasibility of improving the present method of cataract surgery by using a special microactuator. The main cataract operation steps and the results of dynamic torques developed in a microactuator are presented.
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Yang et al. (1992) studied this question.