What to do if i was put on isatol eye drops for high pressure in my eyes yesterday, what are the side effects?

Istalol: Istalol is a beta-blocker drug that also reduces pressure inside the eye. Side effects can include, but are not limited to, blurred vision, double vision, drooping eyelid; burning or stinging in your eye; headache, weakness, drowsiness; numbness, tingling, or cold feeling in your hands or feet; ringing in your ears; and dry mouth. Can also affect heart, shortness of breath, and tiredness.