What is the main theme behind this article?
A. Glaucoma is an awful disease.
B. Psychophysics is not a real science.
C. Some diseases need to have both subjective and objective analysis.
D. A doctor should be able to analyze a symptom better than a patient could.
E. A patient should be able to analyze a symptom better than a doctor could.
This article states that often medical diagnosis is a two way road needing both the patient’s subjective reports as well as the doctor’s objective analysis.