近视和散光是健康的大敌,患上近视后常要与厚重的眼镜为伍,不仅有呆滞之感,而且会影响面部的美观。戴隐形眼镜虽可避免这种痛苦,但繁琐的消毒保养程序让人望而生畏,而且摘下眼镜后,眼前仍是模糊一片。改善视力,国内以前常用的方法有RK(放射状角膜切开术)。ALK(角膜层状整形术)或PRK(屈光性角膜切除术)等,由于技术和仪器的缘故,手术的可靠性 Myopia and astigmatism is the enemy of health, often suffering from myopia with heavy glasses, not only the feeling of sluggish, but also affect the appearance of the face. Wear contact lenses to avoid this pain, but cumbersome disinfection and maintenance procedures daunting, and take off the glasses, the eyes are still fuzzy. Improve vision, the domestic method used to have RK (radial keratotomies). ALK (keratoplasty) or PRK (refractive keratotomy), etc., due to technical and instrumental reasons, the reliability of surgery