Topical application to eye Cataract (4% ) Ocular hypertension, Open-angle glaucoma, optic nerve damage, and defects in visual acuity and field of vision (after prolonged use) <1% Transient ocular stinging, burning, local irritation, ocular discharge, ocular discomfort or pain, foreign body sensation, hyperemia, abnormal vision/blurring, pruritus, lid margin crusting, sticky sensation, increased fibrin, dry eye, conjunctival edema, corneal staining, keratitis, tearing, edema, irritation, corneal ulcer, browache, eyelid erythema, corneal edema, infiltrate, corneal erosion, mydriasis, ptosis, epithelial punctate keratitis, and possible corneal or scleral malacia, [posterior subcapsular cataracts] (prolonged use)