Research Article

A Randomized Controlled Trial to Manage Postoperative Ocular Pain after Pterygium Excision with Conjunctival Autograft Transplantation with a Single Application of 2% Sodium Hyaluronate

Figure 3

Photographs of the fluorescein-stained positive epithelial defect of conjunctiva after pterygium excision. (a) Original photo. (b) Photo after manual delineation of the fluorescein stained-positive conjunctival epithelial defect using ImageJ freeware.
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(b)