Authors: J. Hycl; M. Janek; L. Valešová; P. Růžička *; A. Donát *; G. Kuhnová **; A. Jančárek ** Authors‘ workplace: Oční klinika VFN a 1. LF UK Praha, přednosta doc. MUDr. Martin Filipec, CSc. Fakulta strojní ČVUT v Praze, Ústav mechaniky, vedoucí prof. Ing. Svatava Konvičková, CSc. **Fakulta jaderná a fyzikálně inženýrská ČVUT v Praze, Katedra fyzikální elektroniky, v Published in: Čes. a slov. Oftal., , 2003, No. 6, p. 382-392 Category:
Objective: To evaluate the potential of diode laser thermokeratoplasty (DTK) inthe correction of irregular astigmatism in patients with keratoconus.Group and Methods: the coagulation of deep layers of cornea stroma was made onfour eyes of four patients suffering from advanced keratoconus at the mean ageof 31 years bymeans of the infrared contact cw laser Prolaser Rodenstock 1.9 DTK.The aim of the treatment was to increase the curvature of cornea in flat meridiansandto compensate flatteningof cornea in steepmeridiansbywayof formingtractionstrips between the contracted tissue of individual coagulation points. The changeson the cornea topography and changes of visual functions were determined.Results: The diode laser keratoplasty is capable to induce sector increase of corneacurvature and thereby improve symmetry pictures of irregular astigmatism keratoconus. For a definitive inclusion of DLK into the spectrum of clinically applicable procedures, other therapeutic studies are needed as well as largergroups with relatively homogeneous pre-operation pictures.
Key words: keratoconus, irregular astigmatism, thermokeratoplasty, DTK, FEM
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