A procedure in which the application of heat shrinks the collagen of the corneal stroma and flattens the cornea in the area of heat application. This tends to make the eye less myopic. See: refractive keratoplasty.
[thermo- + G. keras, horn, + plassō, to form]
a procedure to correct myopia by applying heat to flatten the cornea. The heat shrinks the collagen in the substantia propria layer of the cornea.