A 55- year old diabetic patient presents with transient obscuration in vision for 2-3 days followed by sudden loss of vision. Which of the following would be the best test to evaluate the symptoms?
(A) Serum ACE levels (B) Quantiferon-Gold TB test (C) Elevated homocysteine levels (D) Serum creatinine levels
(D) Answer- D. Serum creatinine levelsDM can lead to both retinopathy and nephropathy, Serum creatinine levels would be the best for kidney function and evaluation of patient symptoms.