Tetracaine Eye Drops 0.5% Ophthalmic Solution 5 mL (Rx)Tetracaine eye drops 0. 5% (ophthalmic solution) are used for numbing or anesthesia of the eye during certain procedures, such as eye examinations, surgeries, or other medical procedures. They work quickly to numb the eye, helping to reduce discomfort and prevent excessive blinking during the procedure. Tetracaine eye drops may also be used to relieve eye pain and discomfort caused by minor injuries or infections. Benefits for Tetracaine Eye Drops: