can you take eye drops on a plane :- Yes, you can usually bring eye drops on an aircraft. Eye drops are considered liquids and are subject to liquid limits imposed by the Transportation Security Administration (TSA). Small vials of liquid, including eye drops, are permitted in a quart-sized bag in your carry-on luggage. Make sure the containers are 3.4 ounces (100 millilitres) or less and easy to check throughout the security screening procedure.