Take care of your contacts, and never use the ripped ones, because that will damage your eyes even hurt! How to prevent the ripping happen? Firstly, keep it stay in the solution box with full of contact solution immerse. You know when it lack of humidity, it will become crisp and hard, it will be easy to broken. Secondly, often clip your nail, pay attention not to use the nail to scratch the contact when you put it on or pick it up from your eyes. Thirdly, once the contact has not stay in your eyes, please keep it in the solution, the more humidity of the contact, the flexible of the surface of contact. The last one, take care when you close the contact box, the cover of the box may rub to the contact to make it hurt. Finally, you can use one-day throw contacts if you really very easy to broke the contacts.