To describe two cases of herpetic keratitis after corneal collagen cross-linking (CXL) for progressive keratoconus. An 18-year-old male and a 21-year-old male with rapidly progressive keratoconus were treated with CXL. Postoperatively, on the 6th and 9th days respectively, a dendritic ulcer was observed in the treated eye. The corneal sensation was significantly diminished compared to the fellow eye. Both patients had no prior history of herpetic eye disease or cold sores. The keratitis improved dramatically over the following days after initiation of antiviral therapy. At 4 months, the visual acuity was stable without corneal scarring. Herpetic keratitis could be induced by CXL even in patients with no history of previous herpetic eye disease. Early diagnosis and proper treatment can facilitate the successful management of this rare but important complication.
Our results demonstrated that CS-NHS can reinforce normal and KC model corneal mechanics, and restore collagen density and alignment in KC model corneas without causing extensive keratocyte apoptosis and proinflammatory gene upregulation. Therefore, CS-NHS crosslinking can potentially provide an effective, safe, and biocompatible means of corneal reinforcement.
There is delay in presentation of patients with PTU. The most common anatomic diagnosis was panuveitis. Treatment with anti-tuberculous therapy combined with systemic corticosteroids resulted in resolution of inflammation and macular edema with significant improvement in visual acuity.
Intracorneal hematoma or hemorrhagic descemet detachment is a rare phenomenon. It has been previously described after nonpenetrating glaucoma surgeries such as canaloplasty, viscocanalostomy, and deep sclerectomy. In this report, we describe a rare case of intracorneal hematoma as a yet nondocumented complication after Ahmed glaucoma valve implant surgery.
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