Late recurrence of corneal dystrophy treated with phototherapeutic keratectomy combined with epikeratophakia using double lenticules
JCRS Online Case Reports(2023)
摘要
Phototherapeutic keratectomy (PTK) combined with epikeratophakia (EP) using double lenticules through small-incision lenticule extraction (SMILE) after late recurrence was used in a patient with Reis-Bückler corneal dystrophy (RBCD) who underwent bilateral PTK 9.5 years previously. Opacity recurred at 4 years, with PTK + EP being performed using SMILE-derived lenticules, and at 5.5 years with an uncorrected visual acuity of 20/100 and disrupted counting fingers in the right and left eyes. PTK + EP in the right eye and PTK on the original lenticule in the left eye were performed. Manifest refraction was −4.25/−2.5 × 155 with a corrected distance visual acuity (CDVA) of 20/20 and −3.50/−0.75 × 140 with a CDVA of 20/20 in the right and left eyes, respectively, 2 months postoperatively. Lenticules remained transparent and well-attached to the corneal stroma, and the corneal epithelium reshaped successfully. The feasibility of repeated PTK + EP in patients with multiple RBCD recurrences was demonstrated, delaying the need for corneal transplantation.
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关键词
corneal dystrophy,phototherapeutic keratectomy,epikeratophakia
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