This study has 2 parts. Part 1 will evaluate the safety and IOP effects of 6 formulations of AGN-210961 ophthalmic solution in the study eye and bimatoprost ophthalmic solution 0.03% in the fellow eye for 7 consecutive days. Part 2 will evaluate the safety and IOP effects of a formulation (to be selected from part 1) of AGN-210961 in both eyes compared to bimatoprost ophthalmic solution 0.03% for 4 weeks.