To cause someone to lose clear vision, esp. from intense light; SYN. bedazzle, daze.
1. To examine in order to test suitability; SYN. screen out, sieve, sort.
2. To examine methodically; test for suitability.
3. To prevent from entering, as of light; SYN. block out.
4. To project onto a screen for viewing; of films.
5. To test or examine for the presence of disease or infection; SYN. test.