Zoom in about 5 times. The orbital process of the frontal bone and the winglets of the sphenoid bone have been removed in order to observe the bony orbit. The six muscles of the eyeball are modeled very clearly, and the upper and lateral rectus muscles of the eyeball can be removed. It is divided into 9 parts: the middle part of the eyeball (the lens is fixed on the left half), the vitreous humor, the sclerosing membrane in the right half and the choroid with the retina. Represents all important nerves and blood vessels. The lacrimal organ with the eyelids. At a base.