After only 2 weeks my eyesight was blurry. I was told by dry eyes and to stop talking Letrozole and everything would return to normal in a couple of days. That was 4 months ago and no better. Even after using prescribed eye drops every 2 hours. I used to be able to read a newspaper and do crosswords and suduko, now cannot read a paper or accurately get the numbers and letters in the squares of puzzles. Have new glasses but they don't work either. Head optometrist checked and prescription correct. I see ophthalmologist specialist next week and would like some information to present to him