From: Blunt Eye Trauma: Empirical Histopathologic Paintball Impact Thresholds in Fresh Mounted Porcine Eyes Invest. Ophthalmol. Vis. Sci.. 2011;52(8):5157-5166. doi:10.1167/iovs.11-7172 Figure Legend: Each eye is mounted in a clear acrylic pyramid and positioned using the tension of two thin threads. The pyramid is filled with a gelatin solution, placed in a refrigerator, and allowed to harden. The pyramid simulates the shape of the ocular orbit. The set-up of the ballistic measurement apparatus is shown. Date of download: 10/9/2017 The Association for Research in Vision and Ophthalmology Copyright © 2017. All rights reserved.