Enter a clue or pattern or both:
The Clue
What an ophthalmologist does (8 letter answer)
The Answer
REFRACTS
Tags
Notes
The answer REFRACTS is so rare that it appears less than once every 2500 puzzles.
Definition
REFRACT as a verb:
1. subject to refraction; "refract a light beam"
2. determine the refracting power of (a lens)