1. ObjectiveTo compare the effects of two antiglaucoma drugs( levobunlol and brimonidine) on cultured human non-pigment ciliary epithelial (NPE) cells and evaluate the safety of the two drugs.
2. ObjectiveTo compare the effects of two antiglaucoma drugs( levobunlol and brimonidine) on cultured human non-pigment ciliary epithelial (NPE) cells and evaluate the safety of the two drugs.