Bilateral transient pupil closure after iris supported intraocular lens implantation in a case with Marfan syndrome.

A 16-year-old woman presented with Marfan syndrome and bilateral ectopia lentis. The surgical treatment including removal of the crystalline lens and implantation of an iris-supported intraocular lens in both eyes at a week interval. Postoperatively, the biomicroscopic examination showed total pupil closure bilaterally. After the topical tropicamide treatment, the pupil returned to normal shape.