Review of Surgical Management of Small Pupils in Cataract Surgery: Use of the Malyugin Ring

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Poor or nondilating small pupils have always been a challenging situation for both cataract and vitreoretinal surgeons. Numerous techniques have been devised and tried to enlarge the intraoperative pupil size. The new device, namely, Malyugin ring (MST), is a new iris expander having a square shape and 4 circular curls located at the angles of the square that holds the iris at equidistant points; it provides balanced stretching and gentle holding of the iris tissue.

In this article, we describe the surgical technique with the Malyugin ring in different clinical situations.

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