Wearing pupils can drop eye drops, should pay attention to the wearing time, to avoid the occurrence of dryness and itching for a long time. The pupil is a transparent lens worn on the cornea of the eye, long time to wear, may lead to the phenomenon of dry eyes, itchy, foreign body sensation, and may even cause chronic conjunctivitis. Wearers can use eye drops for relief, but the drops may cause blurring of the lenses for a period of time before relief can be obtained. Wearers should remove the contacts first when dropping eye drops, which can reduce the blurring of the field of vision. At the same time, attention should be paid to the standardization of wear, long time use of contacts will cause irritation to the cornea, causing keratitis, conjunctivitis and other diseases. Wearing contacts, should be under the guidance of the doctor reasonable use of eye drops, if there is an adverse reaction, should go to the hospital in time for treatment.