Problem: A common complaint of diabetic persons is blurred vision. Most think that the high plasma glucose causes glucose to enter the lens and causes it to swell and be more rigid.
A. What should this to the refractive power of the lens? What equation shows us this and what aspect would be affected?
B. Where will the image be focused? Will this lead to an increase or a decrease in focal length? What part of the thin lens formula will be changed?
C. Will the power of accommodation be increased or decreased in these patients? Why?