Patients w/ renal or hepatic impairment; significant renal tubular immaturity or abnormalities; pseudoexfoliative glaucoma or pigmentary glaucoma; narrow-angle glaucoma; compromised corneas; patients wearing contact lenses. May impair ability to perform tasks requiring mental alertness &/or physical coordination. Concomitant use w/ oral carbonic anhydrase inhibitor. Contains benzalkonium Cl. Pregnancy & lactation. Infants, childn & adolescents 0-17 yr.