Linda was driving to work when she suddenly experienced a narrowing of her visual field. Pulling off to the side of the road, she suddenly lost her vision. After undergoing extensive medical testing, her physical condition was attributed to psychological factors. What diagnosis might Linda be given?

A) Conversion disorder.

B) Un-differentiated somatic symptom disorder.

C) Somatic symptom disorder.

D) Hypochondriasis.

Answer: A) Conversion disorder

Explanation: Linda might be diagnosed with conversion disorder because after undergoing an extensive medical test, the cause of her blindness could only be attributed to psychological factors (no medical or physical cause). Conversion disorder is a form of disorder where an individual suffer from paralysis, blindness et cetera without a known physical or medical cause (injuries or sickness). The cause of conversion disorder is often attributed to emotional and physical stress.