Use The drug is used for pupil dilation in intraocular surgery; for diagnostic examinations such as ophthalmoscopy, retinoscopy, refraction; for the treatment of uveitis complicated by synechiae; and for the prevention of synechiae. How to take - For mydriasis (pupil dilation) and vasoconstriction: 1 drop; if necessary, repeat after an hour. - For the treatment of uveitis complicated by synechiae and for the prevention of synechiae: 1 drop, but no more than 3 times a day. If necessary, repeat the treatment the next day. - Before surgery: 1 drop 30-60 minutes before the operation. - For ophthalmoscopy: 1 drop 15-30 minutes before the examination. Contraindications Hypersensitivity to phenylephrine and sulfites, ventricular fibrillation, tendency to vasospasm, severe cerebral circulatory disorders, decompensated heart failure, severe forms of coronary heart disease, pheochromocytoma, hyperthyroidism, severe atherosclerosis, angle-closure glaucoma, neonatal period (for low birth weight infants). Use with caution in angina pectoris functional class III-IV, diabetes mellitus, arterial hypertension, idiopathic orthostatic hypotension, pregnancy, lactation, in old age, and in children under 12 years of age.