//upload.wikimedia.org/
wikipedia/en/thumb/d/d7/Kc_simulation2.png/220px-Kc_simulation2.png). When travelling in the car, I have difficulty identifying speed limit signs showing anything from 30, 50, 60, 80,90 since they all look like a blurred 80 until I am about 5 yards from them which is not satisfactory for driving purposes. When I saw the ophthalmologist last I complained about my visual deterioration and he said it was due to the scarring and nothing could be done.