The 193-nm argon fluoride excimer laser is currently under investigation as a novel modality to meticulously remove superficial corneal scars and smooth surface irregularities in a procedure termed phototherapeutic keratectomy (PTK).1 In some cases, PTK may obviate penetrating or lamellar keratoplasty.2,3 We report herein an episode of graft rejection following excimer laser PTK for recurrent lattice dystrophy in a corneal graft.
Report of a Case. —A 41-year-old woman with lattice corneal dystrophy had previously undergone successful penetrating keratoplasty in both eyes. Six years later, best corrected visual acuity had decreased from 20/25 to 20/80 OS because of recurrent lattice in the graft. Lattice deposits were seen beneath the epithelium and in the superficial corneal stroma (Fig 1). Computed corneal topographic analysis demonstrated marked surface irregularity.After the procedure was fully explained and informed consent obtained, excimer laser PTK was performed (Excimed UV200, Summit Technology Inc, Waltham, Mass).
Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature
Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal
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