Keratitis and conjunctivitis are different in terms of location, symptoms, and treatment. 1. Location: keratitis and conjunctivitis have different locations, keratitis is usually inflammation of the black part of the eyeball seen on the exterior of the eyeball. Conjunctivitis is an inflammation of the white part of the human eye. 2. Symptoms: Keratitis symptoms mainly show that the patient’s eyes have a foreign body sensation, vision loss to see objects blurred, but also may be accompanied by eye redness, eye discharge and so on. Conjunctivitis patients usually do not feel eye pain or foreign body sensation in the eye, the main symptom is the redness of the white eyeball area, and will be accompanied by more obvious secretion. 3. Treatment: Conjunctivitis can usually be treated with eye drops. Bacterial conjunctivitis can be treated with drugs such as ofloxacin eye drops under the guidance of a doctor. Keratitis, on the other hand, is prone to adversely affect the patient’s vision because it is an inflammation of the black eye area. Therefore, in addition to topical eye drops, intravenous fluids are also needed to strengthen anti-infection treatment, as soon as possible is the symptom healed to reduce the impact of scarring on vision. Keratitis and conjunctivitis require prompt medical attention and medication under the guidance of a doctor.