Best for: Treating chronic DES.
How they work: Sold under the brand name Restasis, prescription drops contain the drug cyclosporine, which can help increase natural tear production. In a 2010 study published in the Korean Journal of Ophthalmology, a majority of patients reported few dry-eye symptoms or none at all after using the drops for three months.
How to use them: Apply one drop per eye twice a day. Experts note that these drops can be used indefinitely, as long as you’re under the care of an eye doctor.