Journal of Clinical and Experimental Ophthalmology
Open Access
ISSN: 2155-9570
ISSN: 2155-9570
Maolong Tang
Tanzania
Research Article
Angled Mushroom Pattern Femtosecond Laser Lamellar Keratoplasty for Krumeich Ring Insertion: A Laboratory Study
Author(s): Timothy Hsia, Maolong Tang, Billy Pan, Jorg H. Krumeich, Yan Li and David HuangTimothy Hsia, Maolong Tang, Billy Pan, Jorg H. Krumeich, Yan Li and David Huang
Background and objective: The aim of this laboratory study was to investigate an alternative corneal trephination technique, femtosecond laser-enabled keratoplasty (FLEK), for inserting and stabilizing the depth of a metallic alloy intrastromal corneal ring (ISCR) for penetrating keratoplasty (PKP). Patients and methods: The FLEK procedures were performed on eye bank corneas mounted on an artificial anterior chamber. An angled mushroom pattern cut formed an elbow to support 7.5- and 8.0-mm ISCRs at 300 μm depth. Optical coherence tomography (OCT) was used to visualize the position of the inserted ISCR. Results: OCT images showed that the diameters of the femtosecond laser cut patterns matched the size of the respective ISCRs. Both rings rested stably on the corneal rims even prior to suturing. After suturing, the de.. View More»
DOI:
10.4172/2155-9570.1000232