Question: A 60 year old man with open angle glaucoma is prescribed Timolol (Timoptic) ophthalmic drops. All of the following are contraindications to Timolol ophthalmic drops except: Want Professional Help? A 60 year old man with open angle glaucoma is prescribed Timolol (Timoptic) ophthalmic drops. All of the following are contraindications to Timolol ophthalmic drops except: Overt heart failure or sinus bradycardia History of asthma Second-or third degree atrioventricular (AV) block Migraine headaches