[The research advances of psychological disorder in patients with dry eye]

In clinical practice, dry eye disease (DED) is recognized as one of the most frequent reasons for chronic ocular surface disorder, which can cause the damage to the ocular surface and some symptoms associated with ocular discomfort and impaired visual quality. This common ocular problem is characterized by high incidence and difficulty in treatment. DED can make the visual disturbance and degrade the quality of everyday life and social activities in different levels. Some patients with DED often report psychological changes because of the symptoms of ocular discomfort. This article mainly summarizes the characteristics and mechanism of psychological disorder in patients with DED.