Although sutures were a major advance, they have been supplanted in most cases by the use of a self-sealing incision. The shape of the incision creates a flap that takes advantage of the natural fluid pressure inside the eye to seal it shut without the need for sutures.

Not every cataract surgery can be performed as a "No-Stitch" procedure. The decision to place a suture is made by the surgeon and always has your best interests in mind.
The advantages of "No-Stitch" cataract surgery using a self-sealing wound include the following:
To perform "no-stitch" cataract surgery, two other advances were necessary: the development of microsurgical techniques and the creation of foldable artificial lens implants.