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There are several animal studies to suggest that pigment epithelium-derived factor (PEDF) may exert beneficial effects on diabetic retinopathy and uveitis by acting as an endogenous antioxidant. However, the interrelationship between PEDF and total antioxidant capacity in the human eye remains to be elucidated. In this study, PEDF and total antioxidant levels were determined in the aqueous humour of patients with proliferative diabetic retinopathy (PDR) and uveitis, and the relationship between these two markers was investigated.

british journal of ophthalmology

Positive correlation of pigment epithelium-derived factor and total antioxidant capacity in aqueous humour of patients with uveitis and proliferative diabetic retinopathy