Refractive surgery/laser vision correction

Which is a better preventive pain regimen after photorefractive keratectomy: oral or topical NSAIDs?

Topical nonsteroidal anti-inflammatory drugs (NSAIDs) are better at reducing postoperative pain in patients after photorefractive keratectomy (PRK) than oral NSAIDs. In this prospective, randomized, longitudinal survey 157 patients were randomized to receive topical ketorolac 0.4% every 12 hours or oral naproxen sodium 220 mg every 12 hours for 72 hours...