A new use for paracetamol in a method of treating glaucoma, which method comprisesadministering to a patient in need of such treatment 500 mg to 1000 mg of paracetamolin oral format 4 to 6 hourly. An ophthalmic solution is also provided containingbetween 0.1 to 5% of paracetamol which is administered as one to two drops in eacheye 4 to 6 hourly. The ophthalmic solution further includes one or more of the followingexcipients: hydroxypropylmethylcellulose, benzalconium chloride, polyacrylicacid such as Teargel®.