Clinical profile and demographic distribution of Fuchs' endothelial dystrophy: An electronic medical record-driven big data analytics from an eye care network in India.

To describe the demographics and clinical profile of Fuchs' endothelial corneal dystrophy (FECD) in patients presenting to a multi-tiered ophthalmology hospital network in India. This cross-sectional hospital-based study included 3,082,727 new patients presenting between August 2010 and December 2021. Patients with a clinical diagnosis of FECD in at least one eye were included as cases. The data were collected using an electronic medical record system. Overall, 2570 (0.08%) patients were diagnosed with FECD. The majority of the patients were female (65.53%) and were predominantly adults (99.92%). The most common age group at presentation was during the seventh decade of life with 867 patients (33.74%). The overall prevalence was higher in patients from a higher socioeconomic status (0.1%) presenting from the urban geography (0.09%) and in retired individuals (0.4%). About half of the 5,140 eyes had mild or no visual impairment (< 20/70) in 2643 eyes (51.42%) followed by moderate visual impairment (>20/70 to 20/200) in 708 eyes (13.77%). The average logMAR was 0.61 ± 0.81 at presentation. The most documented corneal signs were guttae (76.63%), corneal scar (23%) and stromal edema (21.73%). The most associated ocular comorbidity was cataract (47.32%) followed by glaucoma (5.39%). More than a tenth of the affected eyes required a surgical intervention of endothelial keratoplasty (15.58%). FECD more commonly affects females presenting during the seventh decade of life. Majority of the eyes had mild or no visual impairment and endothelial keratoplasty is warranted in a tenth of the affected eyes.

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