Geneva, May 4 -- International Clinical Trials Registry received information related to the study (ChiCTR2600123120) titled 'Exploration of Tear Biomarkers for Age- and Metabolism-Related Diseases: A Metabolomic and Lipidomic Case-Control Study' on April 22.

Study Type: Observational study

Study Design: Case-Control study

Primary Sponsor: Shanghai General Hospital

Condition: Diabetes mellitus, age-related macular degeneration, diabetic retinopathy, retinal vein occlusion, primary angle-closure glaucoma, cataract, Alzheimer disease, Parkinson disease

Intervention: Primary angle-closure glaucoma observation group:None Group of patients with diabetes without ocular complications:None Cataract Observation Group:None Healthy control gr...