 <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]  solution that has changed color or is cloudy. Certain brands (containing glycerin with polysorbates, among other ingredients) may have a milky appearance. This is okay as long as the solution does not change color. Some eye drops need to be shaken before use. Check the label to see if you should shake your product before using. Usually, drops may be used as often as needed. Ointments are usually used 1 to 2 times daily as needed. If using an ointment once a day, it may be best to use it at bedtime. To apply eye ointment/drops/gels: Wash hands first. To avoid contamination, be careful not to touch the dropper or top of the ointment tube or let it touch your eye. Always replace the cap tightly after each use. Tilt your head back, look up, and pull down the lower eyelid to make a pouch. For drops/gels, place the dropper directly over the eye and squeeze out 1 or 2 drops as needed. Look down and gently close your eye for 1 or 2 minutes. Place one finger at the corner of the eye near the nose and apply gentle pressure. This will prevent the medication from draining away from the eye. For </s>