Thread: central retinal artery occlusion

central retinal artery occlusion
3 A & 4 C :
APD :afferent pupillary defect macus gunn sign
Acute vision loss
Attenuated thread like artery
Coagulative necrosis
Cherry red macula
Cillioretinal artery in 15% of population
Consecutive optic atrophy

why does aphakia glasses provide magnification for each 1 dioptre of convex lens
??