Suggestion: The treatment of palpebral fissure insufficiency is mainly to remove the etiology, implement protective measures, and use contact lenses and artificial tears (methyl cellulose) to prevent corneal dryness. Slightly incomplete closure, only exposing the central part of the cornea. You can apply eye ointment before going to bed to prevent corneal exposure during sleep. For the eyelid insufficiency caused by cicatricial ectropion, ectropion correction, early skin grafting or ptosis suture can be used to reduce ptosis. For coma patients who have not undergone surgery or general anesthesia, attention should be paid to protecting the cornea.