If you normally wear contact lenses, toss a case filled with solutions and a backup pair of glasses in your bag before you go out each day while your traveling. You may have allergies you don’t know about, as certain plants might be more common in different areas. If your eyes start to get really itchy, you’ll be able to take your contacts out without heading back to your hostel first.

Also if you want to show off your manicure, pretending to have itchy eyes is a great way to do so subtly…