OBJECTIVE: To evaluate the use of corneal ring segments (INTACS) for the treatment of
asymmetrical astigmatism in keratoconus. MATERIAL AND METHODS: This prospective
study involved nine eyes of seven patients who were operated on between December 1998
and June 2000. A case of keratoconus with opacified cornea was excluded from this study.
The patients chosen were contact lens-intolerant. The surgical intervention was carried out
under topical anesthesia. The INTACS (Addition Technology) corneal ring insert was …