Cattle track appearance is seen in:
Central retinal vein occlusion
Central retinal aery occlusion
Central serous retinopathy
Diabetic retinopathy
Cattle truck appearance is seen in central retinal aery occlussion. Occurs due to stagnation of blood flow within an aeriole - giving rise to clumping of the blood column within the lumen M/C/C Embolism (Hollenhorst Plaque)
Retina