The blurring of light in the eyes is considered to be a manifestation of photophobia, and common diseases include dry eye, inflammation, and visual fatigue, etc. Dry eye is the most common condition, which is caused by insufficient tear secretion or over-evaporation, and insufficient secretion is usually caused by lacrimal gland disorders, which need to be treated for the cause, or immunological systemic disorders, such as dry syndrome, and the treatment of which uses artificial tears for long-term substitution, and confirms the diagnosis of dry syndrome. If necessary, also with immunosuppressive drugs, etc. If the evaporation is too strong, generally related to blepharoplasty dysfunction, manifested as a large number of lid margins blepharoplasty gland orifice blockage formation of lipid embolism, with the development of the condition of the lid margins may be keratinization, atrophy, resulting in serious lesions, the treatment of eyelid hot compresses, blepharoplasty gland massage, with antibiotic-type ointment, artificial tears type of ophthalmic solution for the treatment.