My eyes blur at night. What's going on?

The eye is blurred at night, which can be seen in the following conditions: refractive error, cataract and night blindness. The refractive error is normal, low refractive error, sufficient light during the day, vision is not affected, and the pupil is dilated at night. The impact on vision is obvious. This part of the patient can be treated with optometry and glasses. Cataract: Early cataracts need strong light to see things, during the day can not appear, to the night light is weak, vision is significantly reduced, cataract solution only one, phacoemulsification combined with intraocular lens implantation. Night blindness: can be divided into acquired and congenital, acquired mostly due to vitamin A deficiency, so to develop good living habits, nutrition to balance, eat more vegetables and fruits to supplement enough vitamins; If congenital, this part of the patient is difficult to treat, and even difficult to control its development.