Time frame: From date of VIS-2014-5YR enrollment until the date of study withdrawal or study completion, whichever comes first, assessed up to 60 months post-surgery.
Anterior Segment Ischemia (decreased blood perfusion to the anterior segment of the eye (Grades 2 - 4--the higher the grade, the worse the outcome).
Grade 2 is decreased pupil reactivity (<25% of Percent Constriction using Neuroptics Pupillometry) Grade 3 is decreased pupil reactivity, plus anterior chamber reaction of Grade 2 cell and/or flare as assessed via biomicrosope examination Grade 4 is decreased pupil reactivity, plus anterior chamber reaction of Grade 2 cell and/or flare, plus corneal edema (Grade 3 with Striate Keratopathy) as assessed via biomicroscope examination Safety measure will be recorded if the event occurs.