Mounir Amr, Mostafa Engy Mohamed
Sohag Faculty of Medicine, Ophthalmology Department, Sohag University, Sohag, Egypt.
GMS Ophthalmol Cases. 2020 Feb 27;10:Doc10. doi: 10.3205/oc000137. eCollection 2020.
To report early results of combined accelerated corneal collagen crosslinking (CXL) and intrastromal Kerarings implantation by femtosecond laser in a case of advanced superior keratoconus. The patient was a 27-year-old male with left eye grade 3 keratoconus with superior cone. He was diagnosed by Sirius Scheimpflug corneal topography (CSO, Florence, Italy). The right eye had previously been subjected to penetrating keratoplasty. The uncorrected visual acuity (UCVA) in the right eye (RE) was 1.2 LogMAR, best corrected visual acuity (BCVA) was 0.8 by a refraction of -7.50Ds -3.00Dc @12. The UCVA in the left eye (LE) was 1.2 LogMAR, BCVA was 0.9 by a refraction of -8.50 Ds -5.50Dc @169. Intrastromal Kerarings implantation by femtosecond laser was carried out by IntraLase (iFS, Abbott) along with accelerated transepithelial corneal collagen crosslinking by KXL system (Avedro, USA) in the same session. Follow-up was done for a period of 12 months after surgery. The patient was followed up for 12 months with improvement of visual acuity as regards UCVA and BCVA and improvement of corneal topographic parameters including keratometry and front and back elevations. Combined accelerated corneal collagen crosslinking and intrastromal Kerarings implantation by femtosecond laser is an effective method in the treatment of this uncommon type of keratoconus.
报告飞秒激光联合加速角膜胶原交联（CXL）和基质内角膜环植入术治疗晚期上方圆锥角膜的早期结果。患者为27岁男性，左眼为3级上方圆锥角膜。通过Sirius眼前节分析系统（CSO，意大利佛罗伦萨）诊断。右眼此前已接受穿透性角膜移植术。右眼未矫正视力（UCVA）为1.2 LogMAR，最佳矫正视力（BCVA）为0.8，验光结果为-7.50Ds -3.00Dc @12。左眼UCVA为1.2 LogMAR，BCVA为0.9，验光结果为-8.50 Ds -5.50Dc @169。在同一次手术中，使用IntraLase（iFS，雅培）进行飞秒激光基质内角膜环植入术，并使用KXL系统（美国Avedro）进行加速上皮下角膜胶原交联。术后随访12个月。对患者进行了12个月的随访，结果显示UCVA和BCVA的视力有所改善，角膜地形图参数包括角膜曲率测量以及前后表面高度也有所改善。飞秒激光联合加速角膜胶原交联和基质内角膜环植入术是治疗这种罕见类型圆锥角膜的有效方法。
