Swollen eyes after wearing contact lenses may be caused by conjunctivitis, keratitis, trauma, etc., and need to take medication and surgical treatment for the cause. 1. Conjunctivitis: swollen eyes after wearing contact lenses is also considered to be caused by conjunctivitis, if the patient has bacterial conjunctivitis, you can follow the doctor’s instructions with moxifloxacin eye drops, levofloxacin eye drops and other antibiotics eye drops. If the patient develops viral conjunctivitis, antiviral eye drops such as acyclovir eye drops and ganciclovir eye drops should be used as prescribed by the doctor. If the patient has conjunctival scarring, the eyelid adhesion or eyelid deformation can be surgically released. 2. Keratitis: If contact lens wearers do not pay attention to hygiene, resulting in keratitis, there will also be swollen eyes. It is recommended that patients with bacterial keratitis can use antibiotics such as cefazolin and cefixime, as well as erythromycin ophthalmic ointment and tobramycin ophthalmic ointment under the guidance of a doctor. If the patient has fungal keratitis, you need to follow the doctor’s instructions with 0.5% miconazole eye drops, 0.25% amphotericin B eye drops and other antifungal eye drops, or itraconazole, fluconazole and other antifungal drugs. For those who are ineffective in drug treatment, corneal transplantation can be taken. 3. Trauma: corneal epithelial damage caused by wearing contact lenses will also appear eye swelling, at this time to avoid wearing contact lenses. In addition, patients can also follow the doctor’s instructions with erythromycin ophthalmic ointment, gentamycin ophthalmic ointment and other antibiotic ointment. It is recommended that patients wearing contact lenses swollen eyes need to consult a doctor in a timely manner, the doctor will choose the appropriate method of treatment after the cause is clear.