The eye includes the eyeball and the appendages of the eyeball, and the general term for all diseases in the eyeball area is called ocular pathology, such as keratitis, conjunctivitis, retinopathy and so on. 1. Keratitis: Bacterial, viral, fungal and other pathogenic infections can cause keratitis. Under the stimulation of inflammation, patients with keratitis may experience conjunctival congestion, photophobia, tearing and other discomforts, and in severe cases, it may also be accompanied by loss of vision, corneal ulcers and other discomforts. 2. Allergic diseases: patients with allergies can develop allergic conjunctivitis and other eye allergies after exposure to allergens, and patients may experience conjunctival congestion, itchy eyes, increased eye secretions and other symptoms. 3. Retinopathy: Patients with retinopathy such as retinal tear and retinal detachment may suffer from vision loss and distorted vision. It is recommended that patients with eye lesions should consult the hospital in time to assess their condition and follow the doctor’s instructions for treatment.