TY - GEN AU - Birnbaum,Florian AU - Schwartzkopff,Johannes AU - Böhringer,Daniel AU - Reinhard,Thomas TI - The intrastromal corneal ring in penetrating keratoplasty-long-term results of a prospective randomized study SN - 1536-4798 PY - 2011///0928 KW - Astigmatism KW - prevention & control KW - Corneal Stroma KW - surgery KW - Corneal Topography KW - Follow-Up Studies KW - Fuchs' Endothelial Dystrophy KW - Humans KW - Keratoconus KW - Keratoplasty, Penetrating KW - Postoperative Complications KW - Prospective Studies KW - Prostheses and Implants KW - Prosthesis Implantation KW - Titanium KW - Treatment Outcome KW - Visual Acuity KW - physiology KW - Vitallium N1 - Publication Type: Journal Article; Randomized Controlled Trial UR - https://doi.org/10.1097/ICO.0b013e318206caa9 ER -