From answering the questions of many patients, there are many such questions, saying that the nerves are compressed after the cerebral infarction and they can’t see anything. Is this true? Compared to everyone in the study of physics teachers have said so an attempt, we can see things, because off the reflection, off the reflection on the object, the reflected light will be through the vitreous body of our study, and then to the retina, Guangdong Provincial Hospital of Chinese Medicine Department of Brain Diseases Zhaoyuan Qi and then through the visual radiation, to the end of the visual cortex, so as to produce vision, we can see things, cerebral infarction will usually be in the above Figure 4-5 The infarction usually forms between the above figure 4-5, so it will cause the opposite side of the same field of vision deficit (the patient always unknowingly collide with the door frame and so on, because the patient does not know that they can not see things, because there is not something blocking the eyes, but the center will not deal with this deficient field of vision, so the patient always hit, touch the bruise, there are also some patients when the onset of the car always drive to one side, which is only discovered, in some patients (In some patients’ own words, “I feel that what I see is not real, and I feel that things in front of me are strange”.) In the words of some patients, “I feel that I can’t see anything real, I feel that I can see something strange in front of me”).