People who have no light perception in their eyes are usually not curable. If the eyes do not even have a sense of light, most of the fundus optic nerve or retina has been seriously damaged, so when there is no sense of light, you can consider giving up the treatment. The common cause of the lack of light in the eyes is glaucoma, the absolute stage of glaucoma patients with blurred vision, accompanied by pain, and in severe cases can be the loss of visual function, the eyes have no sense of light. In addition, there are also serious eye trauma, intracranial tumor compression, the central retinal artery blockage in the fundus of the eye and other reasons, may lead to the eyes to no light perception. However, it usually takes a while for the eyes to develop to the point of no light perception, so it is recommended that when eye diseases are detected at an early stage, they should be handled actively to control the condition to protect the patient’s vision. Patients are advised to go to the hospital in time and follow the doctor’s instructions.