A 74-Year Old Man Tells You That He Is Having

A 74-year old man tells you that he is having trouble seeing clearly, especially in bright light. When he is outdoors, for example, he says that sunlight seems to produce a blinding, distracting glare that impairs his vision. He also notices a blinding glare from oncoming headlights when he tries to drive at night. You should:

A) Draw blood for renal function, liver function, and cholesterol levels
B) Perform a Snellen test
C) As the patient if he has any history of tuberculosis
D) Ask the patient if he has any family history of visual problems