1. A method of treating an aneurysm, the method comprising: exposing an aneurysm at a surgical site; injecting a fluorescent dye into a blood vessel that includes the aneurysm; capturing a first set of images of the surgical site with a camera; analyzing the first set of images captured by the camera in a signal processing and analysis unit; applying a clip to the aneurysm to clamp off the aneurysm; after applying the clip to the aneurysm, capturing a second set of images of the surgical site with the camera; analyzing the second set of images captured by the camera in a signal processing and analysis unit; and comparing the first set of images with the second set of images to determine the effectiveness of the clip to clamp of the aneurysm.