Well, of course, it is dangerous to have retinal detachment. Generally speaking, the highest risk of retinal detachment is related to the blindness. In other words, if you suffer from the retinal detachment, it is possible for you to lose vision. Also, you should know that there are many factors which can lead to retinal detachment, such as eye injury, severe high blood pressure. But on the other hand, most people with detached retina risk factors will not develop a detached retina. And it is possible that people without risk factors will develop a retinal detachment. If you have some questions about retinal detachments, you can talk with your doctor. Anyway, just be careful about it.