Global Diabetic Retinopathy Market Analysis By Type (Non-Proliferative Diabetic Retinopathy (NPDR), Proliferative Diabetic Retinopathy (PDR)), By Treatment (Anti-VEGF Injections, Corticosteroids, Laser Treatment, Surgery), By End User (Hospitals & Clinics, Ophthalmology Centers, Others) By Region and Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2025-2034