Ophthalmologic evaluations were conducted on all animals during pretest and on all control and high - dose animals during week 4 .
Ophthalmologic evaluations were conducted on all animals during pretest and on all control and high - dose animals during week 4 .
O O O O O O O O O O O B-GROUP I-GROUP O B-DOSE_QUALIFICATION I-DOSE_QUALIFICATION I-DOSE_QUALIFICATION O O O O O