A build up of plaque on the inner lining of an artery.
The lens is a separate part of the eye. Rods, cones and fovea are all in the retina.
With the ever improving technology medicine has been revolutionized to help in so many ways. There are now improvements to many things medicine can do like look for new pharmaceuticals, correct mistakes in surgeries, prolong life, and help provide in depth research into diseases and their anecdotes or cures.
Answer:
I could be wrong but, I'm pretty sure it's <em><u>cognition</u></em>.
