Definitions for "LTK"
See Laser Thermal Keratoplasty.
is the acronym for Laser Thermal Keratoplasty which uses a holmium YAG laser to heat the tissue of the cornea causing it to shrink to change the focus of light onto the retina.
Laser Thermal Keratoplasty. Laser thermal keratoplasty, or LTK, can be used to treat both hyperopia and astigmatism. During this procedure, a laser is used to heat up a circular section of the cornea surrounding the pupil, causing the cornea to steepen.