Department of Cornea and Refractive Surgery, Institute of Ophthalmology Conde de Valenciana, Mexico City, Mexico.
J Cataract Refract Surg. 2009 Nov;35(11):2024-7. doi: 10.1016/j.jcrs.2009.05.043.
We present 2 cases of toric intraocular lens implantation for keratoconus: A 55-year-old man with forme fruste keratoconus with a preoperative uncorrected distance visual acuity (UDVA) of 20/800 and a refraction of -6.50-3.00x135 and a 46-year-old man with a claw-shaped topographic pattern, a family history of keratoconus, and a UDVA of 20/800 with a refraction of -5.00-3.00x85. The refraction had been stable for at least 5 years in both patients. Phacoemulsification and implantation of an acrylic toric IOL were uneventful. One year postoperatively, the UDVA was 20/25 in both cases, with a refraction of -0.25-0.50x140 and 0.25-0.50x60, respectively. No progression and no IOL rotation were observed. Toric IOLs may provide excellent outcomes in patients with stable and nonprogressive corneal ectasia.
我们介绍了 2 例圆锥角膜的散光型人工晶状体植入术:1 例 55 岁男性,为 Fruste 型圆锥角膜,术前未矫正的远视力(UDVA)为 20/800,屈光度为-6.50-3.00x135;另 1 例 46 岁男性,表现为钩状地形图,有圆锥角膜家族史,UDVA 为 20/800,屈光度为-5.00-3.00x85。这 2 例患者的屈光度至少稳定了 5 年。超声乳化白内障吸除术联合丙烯酸散光型人工晶状体植入术均顺利完成。术后 1 年,2 例患者的 UDVA 均为 20/25,屈光度分别为-0.25-0.50x140 和-0.25-0.50x60,均未见进展和人工晶状体旋转。在稳定和非进展性角膜扩张的患者中,散光型人工晶状体可能提供良好的效果。