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Cornea ; 41(11): 1465-1470, 2022 Nov 01.
Artigo em Inglês | MEDLINE | ID: mdl-36219216

RESUMO

PURPOSE: Traumatic paracentral corneal perforations may lead to irregular astigmatism and opacification from lamellar grafts. We present an alternative surgical technique using a Tenon patch graft and a conjunctival flap. METHODS: A 42-year-old man presented with a 1-mm paracentral corneal perforation 6 weeks after penetrating trauma by a metallic foreign body. A region of Tenon fascia was excised and sutured to cover the perforation, and a conjunctival flap was then created and sutured over this Tenon graft. A bandage contact lens was placed postoperatively. Serial imaging was conducted to document healing including optical coherence tomography (OCT) and slit lamp photography. RESULTS: At postoperative day 1, uncorrected distance visual acuity (UDVA) was hand motion, the anterior chamber was formed, and OCT revealed Tenon fascia and conjunctiva covering the defect. By postoperative week 2, the leak resolved and UDVA was 20/30. At postoperative week 4, UDVA improved to 20/20, the Tenon graft was noted to be undergoing contraction, and a single feeder vessel remained prominent in the conjunctival flap. By postoperative month 4, UDVA was 20/25 and only mild paracentral cornea clouding was noted. Initial, focal steepening and thickening normalized by month 4 leaving mild, normal astigmatism. OCT revealed integration of the Tenon graft into the corneal stroma. CONCLUSIONS: For paracentral corneal perforations, a Tenon patch graft in conjunction with a conjunctival flap may aid healing with favorable postoperative refractive outcomes.


Assuntos
Astigmatismo , Perfuração da Córnea , Adulto , Túnica Conjuntiva/transplante , Perfuração da Córnea/etiologia , Perfuração da Córnea/cirurgia , Humanos , Masculino , Retalhos Cirúrgicos , Acuidade Visual
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