| 摘要 |
The invention provides compositions and methods tor whitening of eyes and/or reducing redness of eyes. The provided compositions and methods utilize low concentrations of selective alpha-2 adrenergic receptor agonists. The compositions preferably include brimonidine, dexmedetomidin, guanfacine or fadolmidine. In some embodiments of the invention, the selective alpha-2 adrenergic receptor agonists have binding affinities (Ki) for alpha-2 over alpha-1 receptors of 100:1 or greater. |
