3d isometric flat conceptual of retinal degenerative vision

degeneration retinal blindness loss macular diabetic vitreous isometric vector 3d cartoon illustration flat concept background icon design glaucoma related detachment night nyctalopia retinopathy macula light posterior eye retinoschisis retina stargardt vision cataracts intravitreal health disease central vitrectomy diabetes pigmentosa pneumatic bone inflammation procedure blood surgery optical gradual glasses lens