If the drug has a similar effect in humans, it could potentially help the roughly 1-5% of people thought to have amblyopia, or 'lazy eye'.
The doctor must make certain that there is no other cause of visual loss such as macular degeneration, macular hole, nearsightedness, farsightedness, astigmatism, epimacular membranes, cataract, amblyopia ("lazy eye"), previous retinal detachment, or circulatory problems.