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Jessica B Ciralsky, Kimberly C SippelDepartment of Ophthalmology, Weill Cornell Medical College, New York, NY, USABackground: Stevens-Johnson syndrome is often associated with blinding ocular surface cicatricial sequelae. Recent reports have described markedly improved clinical outcomes with the application of amniotic membrane to the ocular surface during the acute phase. Here we describe the clinical outcome of a patient with acute Stevens-Johnson syndrome and severe ocular surface involvement in whom the evolving medical condition and family consent resulted in amniotic membrane application to each eye at differing intervals from disease onset.Methods: We undertook a retrospective chart review of a woman with Stevens-Johnson syndrome who presented within hours of disease onset. She underwent application of amniotic membrane to the ocular surface of the left eye during the hyperacute phase (<72 hours after disease onset) and to the right eye at a later time point during the acute phase (six days after disease onset). The clinical outcomes of the two eyes, as well as associated ocular symptoms, were compared over a one-year postoperative period.Results: The right eye, treated later in the course of the disease, required additional surgical procedures and ultimately exhibited significantly more advanced ocular surface pathology than the left. Further, the patient reported more pronounced issues of chronic eye pain and visual difficulties in the right eye.Conclusion: Earlier intervention with application of amniotic membrane to the ocular surface in this patient with severe ocular involvement secondary to Stevens-Johnson syndrome proved superior. Application of amniotic membrane as soon as possible after disease onset, preferably in the hyperacute phase, appears to result in a significantly better clinical outcome than application later in the disease course.Keywords: Stevens-Johnson syndrome, toxic epidermal necrolysis, amniotic membrane

Ana G Alzaga Fernandez,* Nathan M Radcliffe,* Kimberly C Sippel, Mark I Rosenblatt, Priyanka Sood, Christopher E Starr, Jessica B Ciralsky, Donald J D'Amico, Szilárd KissDepartment of Ophthalmology, Weill Cornell Medical College, New York-Presbyterian Hospital, New York, NY, USA*These authors contributed equally to this work and both are considered principal authorsBackground: The purpose of this study was to assess whether the resolution offered by two different, recently commercially available high-resolution, spectral-domain anterior segment optical coherence tomography (AS-OCT) instruments allows for detailed anatomic characterization of the critical device-donor cornea interface in eyes implanted with the Boston type I permanent keratoprosthesis.Methods: Eighteen eyes of 17 patients implanted with the Boston type I keratoprosthesis were included in this retrospective case series. All eyes were quantitatively evaluated using the Cirrus HD-OCT while a subset (five eyes) was also qualitatively imaged using the Spectralis Anterior Segment Module. Images from these instruments were analyzed for evidence of epithelial migration onto the anterior surface of the keratoprosthesis front plate, and presence of a vertical gap between the posterior surface of the front plate and the underlying carrier donor corneal tissue. Quantitative data was obtained utilizing the caliper function on the Cirrus HD-OCT.Results: The mean duration between AS-OCT imaging and keratoprosthesis placement was 29 months. As assessed by the Cirrus HD-OCT, 83% of eyes exhibited epithelial migration over the edge of the front plate. Fifty-six percent of the keratoprosthesis devices displayed good apposition of the device with the carrier corneal donor tissue. When a vertical gap was present (44% of eyes), the mean gap was 40 (range 8–104) microns. The Spectralis Anterior Segment Module also displayed sufficient resolution to allow for similar characterization of the devi