Fundus picture in hypertensive retinopathy

Gunn sign is?
A. Silver wiring of arterioles
B. Deflection of veins at arteriovenous crossing
C. Copper wiring of arterioles
D. Tapering of veins on the either side of the crossings

Correct answer : D. Tapering of veins on the either side of the crossings

Fundus picture in hypertensive retinopathy

Gunn sign is seen in grade III hypertensive retinopathy.
The other findings in grade III hypertensive retinopathy include
copper wiring of arterioles
banking of veins distal to arteriovenous crossings
right-angle deflection of veins
flame shaped haemorrhages
cotton wool spots
hard exudates.