1. How does the eye work? 2. Retinal Detachments 3. Age Related Macular Degeneration 4. Central Retinal Vein Occlusion (CRVO) 5. Diabetic Retinopathy 6. Epiretinal Membranes 7. Macular Hole 8. Vitreous Detachment & Floaters 9. Uveitis 10. Cystoid Macular Edema 11. Central Serous Chorioretinopathy 12. Vitamins & Minerals How Does the Eye Work? What is the retina? The retina is the nerve layer that lines the back of the eye. If you think of the eye as a camera, the retina is the film in the camera. In front of the retina is a gel, called vitreous, that is about the consistency of egg white.