Ophthalmoscopic examinations were performed on all animals during pretest and on the control and high - dose animals during treatment .
Ophthalmoscopic examinations were performed on all animals during pretest and on the control and high - dose animals during treatment .
O O O O O O O O O O O O B-DOSE_QUALIFICATION I-DOSE_QUALIFICATION I-DOSE_QUALIFICATION I-DOSE_QUALIFICATION I-DOSE_QUALIFICATION O O O O