Answer
Do not stop it without advice, but tell the surgeon and anaesthetist because timolol may affect responses to medicines used during anaesthesia.
Sources for this answer
- Bimatoprost/Timolol Aspire 0.3mg/ml + 5mg/ml eye drops, solution — Current selected SmPCemc · Summary of Product Characteristics
- GANFORT — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.