The blurring of seeing light needs to be determined as a sign of vision loss or photophobia. If the blurring occurs only when you see bright light, but you see normal things in normal times and your vision is basically normal, it is simple photophobia. Photophobia may also be accompanied by other symptoms of eye discomfort, such as tearing, dryness, and foreign body sensation. The exact nature of the disease can be determined based on the specific accompanying symptoms. If it is accompanied by discomfort such as dry eyes and fatigue, it may be related to dry eye. There are two causes for the onset of dry eye disease, insufficient tears and excessive evaporation. The general treatment is to choose artificial tears type of eye drops for long-term use, and it is recommended to use preservative-free formulations. If necessary, immunosuppressants are also chosen depending on the specific cause of the disease. Treatment with tear dots closure, gland transplantation, and lid gland massage are used, and most recovery is slow.