The topical effects of nonsteroidal anti-inflammatory agents, diclofenac, ketoprofen and naproxen, on reducing ocular inflammation were studied by aqueous paracentesis in rabbit eyes. In the aqueous humor, the inhibition rate of protein,the centration was 76.98% by diclofenac, 61.71% by ketoprofen and 20.83% by naproxen. The inhibition effect of ketoprofen on miosis is strongeer than that of placebo solution (vehicle) ; ketoprofen has significant difference at any examination time statistically (p