Abstract
To evaluate early keratometric and refractive results after intra-corneal rings surgery in keratoconus patients. 50 eyes of 25 patients with keratoconus within stage 2 and 3, underwent intra-stromal corneal rings surgery by using the femtosecond surgical laser, one month after surgery, corneal keratometries and patient refraction were compared vs pre-operative ones. Mean pre-operative low keratometry was 48.8 ± 3.65 D vs. 46.44 ± 3.65 D post-operative (p < 0.005). Mean pre-operative high keratometry was 53.92 ± 4.50 vs. 49.65 ± 4.15 post-operative (p < 0.005). Mean pre-operative spherical equivalent was -7.39 ± 2.42 D vs. -3.48 ± 2.47 D post-operative (p < 0.005). Mean pre-operative cylinder was -5.65 ± 2.02 D vs. -3.48 ± 2.47 D post-operative (p < 0.005). Corneal keratometries, spherical equivalent and corneal cylinder, significant decrease at one month after intra-stromal corneal rings surgery in keratoconus patients.
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