Sudden development of cross-eye is usually caused by inappropriate eye use, such as excessive close-up eye use, which requires prompt medical treatment.
Cock-eye can also be called internal tilt, if too much close eye use, long time eye posture is not correct, may lead to eye muscle strength imbalance, which leads to internal tilt.
Therefore, you should try to reduce the time of close eye use, especially to control the time of staring at the cell phone or computer screen, and participate in more outdoor sports, which can effectively improve the problem of eye use. If the inward slanting phenomenon is very serious, patients can also be corrected through surgical treatment.
In addition, the sudden change into a cock-eye may also be a neurological problem such as stroke, patients are advised to go to the hospital in a timely manner, so as not to affect the normal life.