Analysis of Biomarkers From Patients With Chorioretinal Diseases

Who May Qualify: - age over 20 years - patients requiring ophthalmologic treatments for different degrees of decreasing of visual acuity. - patients with chorioretinal diseases including diabetic retinopathy, retinal vascular diseases, age-related macular degeneration (dry and wet), and retinal degeneration. - control patients asking cataract surgery or vitrectomy for posterior segment nonproliferative disorders. Who Should NOT Join This Trial: - under the age of 20 years - patients that received any anti-vascular endothelial growth factor agent for proliferative disease before taking sample of aqueous humor - patients that did not signed the willing to sign a consent form of the trial - patients with intraocular inflammations or infections that requiring any pharmaceutical agent - patients with recent ocular trauma Always talk to your doctor about whether this trial is right for you.