for millions of americans who wear glasses. new prescription eyedrops became available today that could potentially replace reading glasses for people who have trouble seeing close up. one woman tells cbs s jericka duncan the drops changed her life. reporter: for most her life, toni wright has had perfect vision but after turning 50 she used readers allowing her to see things clearly that are close up. how many readers do you think you have in all. probably eight pairs. reporter: in 2019, her doctor told her about eyedrops with the potential to correct her vision problems temporarily. i would put the drops in my eyes in the morning. reporter: what did you notice instantly? i would not need my readers as much. reporter: wright was one of 750 participants in a clinical trial to test vuity, the first yierp to eye drop to treat