Dynamic Parameters of Glucose Control in Relation to Biomarkers in Serum and Intraocular Fluid in Patients With Diabetes

Who May Qualify: - type 1 or type 2 diabetes - ≥ 18 years old - treatment with insulin for at least 5 years prior baseline - any form of diabetic retinopathy and macular edema - HbA1c \< 10% - written willing to sign a consent form prior to starting study related activity Who Should NOT Join This Trial: - any active intraocular or periocular infectious or non-infectious inflammation in study eye - uncontrolled glaucoma - history of intraocular inflammation or trauma in study eye - intravitreal anti-VEGF therapy in study eye during a 3-month perido prior to baseline - use of corticosteroid intravitreal implant in study eye at any time Always talk to your doctor about whether this trial is right for you.