 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  day. Keep using this medication even if you feel well. Most people with glaucoma or high pressure in the eyes do not feel sick.The side effects of Betoptic S Ophthalmic (Eye): Temporary stinging/discomfort of the eye, watery/dry/itchy/red eyes, blurred vision, feeling as if something is in the eye, crusting of eyelashes, headache, trouble sleeping, or dizziness may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. Tell your doctor right away if you have any serious side effects, including: eye pain/swelling/discharge, vision changes, increased eye sensitivity to light, swelling of the ankles/feet, tiredness, slow/irregular heartbeat, muscle weakness, mental/mood changes, hair loss, blue fingers/toes, cold hands/feet. Get medical help right away if you have any very serious side effects, including: dizziness that doesn't stop, trouble breathing, sudden unexplained weight gain, chest pain </s>