Indications: mydriatic and cycloplegic with rapid recovery; preoperative pupillary dilation (cataract operations)

Cautions: not to drive for 1–2 hours after mydriasis

Contra-indications: narrow-angle glaucoma

Side Effects: Ocular side effects of mydriatics and cycloplegics include transient stinging and raised intra- ocular pressure; on prolonged administration, local irritation, hyperaemia, oedema and conjunctivitis may occur. Contact dermatitis (conjunctivitis) is not uncommon with the antimuscarinic mydriatic drugs, especially atropine.

Dose: for simple mydriasis, 1-2 drops; for pre- retioscopic cycloplegia, 4-6 drops, at intervals of 5 minutes in the eye being examined. It has a duration of action of 3 hours.