11.   Many people with cataracts need only corrective lenses.

12.   Other surgical alternatives exist, including corrective lenses implanted in the cornea.

13.   Sutton and Hinton argue that United illegally rejected them to be pilots because of their poor vision, even though their sight is fine when they wear corrective lenses.

14.   The fuzzy focus was corrected by spacewalking astronauts who installed a pair of large new components equipped with small corrective lenses.

15.   The problem is, those who visualize world peace may need corrective lenses.

16.   These were the mirrors that were discovered to be flawed after launching, requiring corrective lens to be installed later in space and salvaging the mission.

17.   Unfortunately, those who visualize world peace sometimes need corrective lenses.

18.   We swapped stories about lifetimes hobbled by corrective lenses, and then it was my turn.

19.   For the rest, clear vision may be achieved by refocusing light rays with the use of corrective lenses.