Use of alpha-2-adrenergic receptor agonists for improving vision

A method of treating an ocular condition in an individual in need of such treatment, the method comprising administering to the individual a therapeutically effective amount of a compound of Formula I:

• or a pharmaceutically acceptable salt thereof;
• wherein the ocular condition is selected from the group consisting of presbyopia, visual glare, visual starbursts, visual halos, and night myopia;
• wherein the therapeutically effective amount of the compound of Formula I or pharmaceutically acceptable salt thereof is administered topically to one or both eyes of the individual as a pharmaceutically acceptable composition comprising the therapeutically effective amount of the compound of Formula I or a pharmaceutically acceptable salt thereof and a pharmaceutically acceptable excipient;
• and wherein the pharmaceutically acceptable composition comprises the compound of Formula I in an amount of from 0.01% (w/v) to 0.3% (w/v).