Fig. 4From: A novel approach to sclerotomy closure in pars plana vitrectomy: a pilot studyAngiocath method of clot formation and insertion. A 16, 18, and 20-gauge shielded IV catheter angiocath tips used as molds to create a cylindrically shaped clot of PRP and whole blood. B Clotted blood in the sclerotomy. C Performance of the Seidel testBack to article page