Ring used in a small pupil phacoemulsification procedure

摘要

A ring that can maintain a pupil in an extended position during an ophthalmic procedure.The ring has a plurality of loops that capture iris tissue. The ring is configuredto extend the pupil when iris tissue is inserted into each loop. An ophthalmicprocedure such as phacoemulsification can then be performed on the patient.The ring has a center opening that provides a wide view of the ocular chamber duringthe procedure.