Prescription Check Army Capt. Shannon Kirchmer uses a phoropter to determine an eyeglass prescription for a patient at an optometry clinic in Landstuhl, Germany, Feb. 4, 2020. SHARE: Download: Full Size (1.14 MB) Tags: Army Credit: Marcy Sanchez, Army VIRIN: 200205-A-EK666-0004C.JPG Photo Gallery