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Fig. 1 | BMC Ophthalmology

Fig. 1

From: Individualized penetrating keratoplasty using edge-trimmed glycerol-preserved donor corneas for perforated corneal ulcers

Fig. 1

Patient 5 (necrotizing stromal keratitis (HSK), visual acuity: HM, left eye). a Green dotted circle indicates the perforation (4 × 2.5 mm in diameter) with iris prolapse; yellow dotted circle indicates a small corneal ulcer beside the perforation. b An edge-trimmed PK graft covered both perforated and ulcerated regions was sutured onto the recipient bed. c 16 months after surgery, the graft was stable, with improved transparency

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