To protect your eyes, choose different eye drops for different purposes, as follows: 1. To prevent eye infections, choose levofloxacin eye drops, 1 drop 3 times daily; or tobramycin eye drops, 1 drop 3 times daily. 2. To prevent eye dryness, choose preservative-free sodium vitreous oxide eye drops, 1 drop 3 times daily. 3. To prevent eye fatigue, choose ophthalmic aminopeptide You can choose from eye aminopeptide eye drops, 1 drop 3 times a day, or heptaerythrodiene-dioside eye drops, 1 drop 3 times a day. 4, to prevent eye allergy, you can choose sodium cromoglycate eye drops, 1 drop 3 times a day. Therefore, the choice of eye drops for eye protection cannot be generalized.