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Bowman’s layer transplantation may be safer surgery for patients with advanced keratoconus
For most eyes with advanced keratoconus, penetrating keratoplasty is a bad option. It permanently weakens the cornea, precipitates cataracts, promotes glaucoma, provides an often uneven and unstable refractive surface, presents the constant risk of allograft reaction and graft rejection, and — perhaps worst of all — produces many unhappy patients, particularly if the surgery was elective and not emergently required.Nevertheless, PK so far remains the most common surgical treatment worldwide for patients with advanced keratoconus. And while alternatives to conventional PK have emerged, including deep anterior lamellar keratoplasty and new (Read more...)