1. Retinal capillary Microaneurysms -- 2. Retinal arteriolar Macroaneurysms -- 3. Retinal Cotton wool spots and Retinal opacification -- 4. Retinal Hard/lipid exudates -- 5. Retinal hemorrhages -- 6. Retinal new vessels on the Optic disc and retina -- 7. Retinal vascular changes -- 8. Retinal angiomatous lesions -- 9. Macular edema -- 10. Subretinal fluid and retinal detachment -- 11. Subretinal hemorrhage -- 12. Retinitis and retinal infections -- 13. Choroiditis and choroidal granulomas -- 14. Retinal pigmentary changes -- 15. Optic disc swelling, and papilledema -- 16. Optic disc pallor and Optic disc cupping.