I-Ring expands pupil, enhances surgical field of view The device is flexible and easy to insert into the eye through a small incision.

Our guest columnist is Sérgio Felix Canabrava, MD, of Brazil, who pioneered the Canabrava IOL fixation technique. In this column, he explains the Canabrava Ring iris expander. Priya Narang, MS, and ...

Pediatric penetrating keratoplasty is technically more challenging than adult keratoplasty because of a smaller anatomical configuration, reduced rigidity and increased elasticity of the cornea and ...