The purpose of this study is to compare healing times and subjective pain level responses of nepafenac to placebo after photo refractive keratomileusis (PRK) surgery.

Inclusion Criteria:

• 19 years or older with healthy ocular status and pre-operative refractive anisometropia of less than 2.000 diopters between eyes undergoing bilateral PRK surgery.
• Other protocol-defined inclusion criteria may apply.

Exclusion Criteria:

• Those desiring PRK in only one eye, those in need of additional topical eye medications, those with history of drug/alcohol abuse, women breastfeeding or pregnant.
• Other protocol-defined exclusion criteria may apply.