| Description | Cannula tip is specially rounded, extra smooth for safe insertion through wound and manipulation in the anterior chamber. 20G x 3.5mm, flexible tubing 25cm, ID - 1mm OD - 2mm. Unique annular rings start .85mm from beveled tip. Self retaining, does | Cannula tip is specially rounded, extra smooth for safe insertion through wound and manipulation in the anterior chamber. 21G x 7/8 in (.80 x 22mm). Angled 45 degrees, 4mm from end. | Cannula tip is specially rounded, extra smooth for safe insertion through wound and manipulation in the anterior chamber. 25G x 7/8 in (.50 x 22mm). Angled 45 degrees, 4mm from end. | Unique product designed for LASIK surgery and other types of refractive surgery. Designed to irrigate the corneal interface and/or stromal bed. Flattened tip provides easy insertion under the flap and helps elevate the flap edge. Multiple ports |