PMC7366197_01
Slit-lamp photographs of the patient's left eye. Six years before the first visit, a portion of his cornea became slightly thin and developed a scar in the paracentral cornea after an episode of herpes simplex keratitis.
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He had been under regular observation by his ophthalmologist because of recurrent herpes simplex keratitis in his left eye from 8 years before the first visit.  Figure 1 shows a slit-lamp photograph of the patient's left eye 6 years before the first visit.
Slit-lamp photographs of the patient's left eye at his initial visit. Slit-lamp examination revealed corneal perforation (a). Corneal epithelial defects were seen using fluorescein staining (b). The space in his left anterior chamber had almost disappeared (c).
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In addition, his left anterior chamber space had almost disappeared (Figures 2(a)-2(c)).
Slit-lamp microscopy image of the patient's left eye, taken on the day after his operation. The corneal graft was clear, and the depth of the anterior chamber was nearly normal.
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The slit-lamp microscopy image from the day after the operation is shown in Figure 3.