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Background To evaluate the efficacy of autologous serum (AS) eye drops for the symptomatic relief of severe dry eye syndrome (DES), as compared to conventional preservative-free artificial tears (PFAT). Methods This prospective double-blind randomized crossover study used the Ocular Surface Disease Index (OSDI), tear film break-up time (TBUT), Schirmer’s Test, and OXFORD Scale at baseline and after...
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