Wound closure and tissue adhesives in clear corneal incision cataract surgery

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Purpose of review

Achieving secure wound closure in clear corneal incision cataract surgery remains highly desired for its role in reducing infection risk and leak-related complications, including hypotony, corneal edema, and lens dislocation. Although classic techniques of stromal hydration or wound suturing represent traditional approaches, the introduction of newer and more effective ocular surface adhesives has increased the options that are available. This review aims to provide an update on the peer-reviewed literature regarding wound closure and the currently available and investigational tissue adhesives used to seal clear corneal incisions in cataract surgery.

Recent findings

Stromal hydration and sutured closure of clear corneal incisions remain viable options for wound closure. Wound sealants, particularly polyethylene glycol (PEG)-based hydrogels, have been found to provide watertight wound seal with less foreign-body sensation and surgically induced astigmatism compared with sutures, and less adverse effects and greater ease of use compared with cyanoacrylate and fibrin glues.


Stromal hydration, sutured closure, and use of a corneal adhesive are all wound closure options for clear corneal incisions. Of the currently available tissue adhesives, PEG hydrogel sealants have become the most widely accepted, with an improved side-effect and biocompatibility profile.

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