title: Partial retraction of Malyugin pupil expansion device to improve safety during ring removal.
authors.forename: Matthew
authors.initials: M
authors.lastname: Rauen
authors.forename: Thomas
authors.initials: T
authors.lastname: Oetting
mesh_terms: D006801:Humans; D007499:Iris Diseases / Q000150:complications*; D018918:Phacoemulsification / Q000295:instrumentation* / Q000379:methods*; D011681:Pupil Disorders / Q000150:complications*