If you accidentally rub your eye while wearing a contact lens, the contact lens may deviate from the center of the cornea and displace into the depths of the conjunctival sac, so don’t worry. The conjunctival sac is a closed structure, the lens of the pupil will not go around the back of the eye, will not enter the eye socket, and will not enter the inner eye, do not panic, gently turn the eye, and then carefully explore the depths of the conjunctival sac will be able to find the lens, you can let the eyeballs to look down, gently lift up the upper eyelid with the thumb and forefinger, to observe the upper depths of the conjunctival sac with or without a lens, and if there is no upward turn of the eyeballs, with the If there is no lens, turn your eye upward and use your thumb to pull your lower eyelid downward to see if there is a lens in the conjunctival sac below. After the above steps, you will be able to find the lens that has slipped into the deeper part of the conjunctival sac, and gently take it out. If you can’t find it by yourself, you need to go to the ophthalmology department of the hospital for a doctor’s help to take it out.