This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Retina, Subject name: Ophthalmology
Which of the following is not a feature of hypeensive retinopathy 
Select and explain. 
A. Silver wiring of aeriorles, B. Bonnet sign, C. Disc edema, D. Neovascularization
D: Neovascularization
Answer: D: Neovascularization 
Explanation: Neovascularization is not a feature of hypeensive retinopathy Pathogenesis: Vasoconstriction & increased vascular permeability Sign * A:V ratio is decreased due to generalized narrowing of aeries * Salu's Sign ( Deflection of veins at A-V crossings), Bonnet's sign (Banking of veins), Gunn sign (tapering of veins), cotton wool spot * Copper wiring & Silver wiring is seen in later stage * Disc edema is seen in malignant hypeension * Elsching spot (choroidal infarcts)