Tell the doctor about current or history of any eye problems or any of the following medical problems: coronary heart disease (symptoms can include chest pain or tightness, breathlessness or choking), heart failure, low blood pressure; disturbances of heart rate such as slow heartbeat; breathing problems, asthma or chronic obstructive pulmonary disease; poor blood circulation disease (such as Raynaud's disease or Raynaud's syndrome); diabetes as timolol may mask signs and symptoms of low blood sugar; overactivity of the thyroid gland as timolol may mask signs and symptoms.
Also tell the doctor: before having an operation if using Dorzoptic T Eye Drops as timolol may change the effects of some medicines used during anaesthesia; if with muscle weakness or have been diagnosed as having myasthenia gravis; if any eye irritation or any new eye problems such as redness of the eye or swelling of the eyelids develop (contact the doctor immediately); if an eye infection develops, an eye injury is received, having eye surgery, or a reaction including new or worsening symptoms develop.
When Dorzoptic T Eye Drops is instilled into the eye it may affect the entire body.
Use in patients with liver impairment: Tell the doctor about any liver problems currently present or have suffered from in the past.
Dorzoptic T Eye Drops contains benzalkonium chloride: If soft contact lenses are worn, remove them before using Dorzoptic T Eye Drops and wait at least 15 minutes before reinsertion (the preservative benzalkonium chloride may possibly discolour the lenses).
Benzalkonium chloride may cause ocular irritation.
Driving and using machines: No studies on the effects on the ability to drive or use machines have been performed. There are side effects associated with Dorzoptic T Eye Drops, such as blurred vision, which may affect the ability to drive and/or operate machinery. Do not drive or operate machinery until feeling well or vision is clear.
Use in Children: There is limited experience with Dorzoptic T Eye Drops in infants and children.
Use in the Elderly: In studies with Dorzolamide Hydrochloride and Timolol Maleate Eye Drops, the effects of Dorzolamide Hydrochloride and Timolol Maleate Eye Drops were similar in both elderly and younger patients.