Abstract:The most severe complications after penetrating keratoplasty (PKP) include high astigmatism and immunological graft reaction. The introduction of the corneal intrastromal titan ring by Krumeich intended to reduce the incidence of both complications. We present two patients with keratoconus who referred to our department after a PKP combined with the implantation of an intrastromal ring. The first patient suffered from bulbar pain and headaches. The second patient suffered from postoperative high myopia, irregu… Show more
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