Žiak P, Lucká K, Mojžiš P, Katuščáková I, Halička J
Cesk Slov Oftalmol. 2016 Fall;72(3):51-57.
We report the first experience with presbyopia correcting femtosecond laser surgical procedure INTRACOR. This procedure is so far the only one that is made purely intrastromally without generating a wound connected to corneal surface or anterior chamber.Presbyopia - caused by physiological aging and decreasing elasticity of the lens, impairs patients accommodative ability. In the case of the method INTRACOR, presbyopia is corrected by steepening of corneal curvature in the central optical zone. Procedure is usually performed only in the non-dominant eye.
Intracor procedure was performed in 10 eyes of 10 patients (3 women and 7 men, aged 47-58 years). All procedures were performed with the femtosecond laser VICTUS (Bausch - Lomb, USA) in the non-dominant eye by an experienced surgeon.
One-year follow-up. Mean monocular uncorrected near visual acuity (UNVA) improved from 0.2 ± 0.1 before surgery to 0.7 ± 0.3 after treatment (mean improvement of four lines). Mean near uncorrected binocular visual acuity (UNBVA) improved from a mean preoperative value of 0.23 ± 0.08 to a mean postoperative value of 0.8 ± 0.22 (mean improvement of about 5 lines). The mean monocular uncorrected distance visual acuity (UDVA) was 0.9 ± 0.1 before surgery and 0.8 ± 0.3 after treatment (average loss of 1 line). The mean binocular uncorrected distance visual acuity improved from 1.0 ± 0,1 to 1,3 ± 0.3 after surgery. All patients had improvements in near vision. In 3 patient, monocular distance vision improved, in 6 patient improved binocular distance vision. We observed statistically significant decrease (mean loss of 1 line) of monocular best corrected distance visual acuity (BCDVA). Patients subjectively reported satisfaction with the quality of vision achieved for near and distance and high levels of spectacle independence under good lighting conditions.The results shows that INTRACOR method is well suitable for low hyperopic patients, who because of good distance visual acuity are not good candidates for refractive lens exchange with multifocal intraocular lens implantation.
presbyopia, Intracor, intrastromal, femtosecond laser.
我们报告了首例使用飞秒激光手术治疗老花眼的INTRACOR手术经验。该手术是目前唯一一种完全在基质内进行的手术，不会产生与角膜表面或前房相连的伤口。老花眼是由生理衰老和晶状体弹性下降引起的，会损害患者的调节能力。在INTRACOR手术中，通过使中央光学区的角膜曲率变陡来矫正老花眼。该手术通常仅在非优势眼进行。
对10例患者（3名女性和7名男性，年龄47 - 58岁）的10只眼睛进行了INTRACOR手术。所有手术均由经验丰富的外科医生使用飞秒激光VICTUS（美国博士伦公司）在非优势眼进行。
一年随访。平均单眼未矫正近视力（UNVA）从手术前的0.2±0.1提高到治疗后的0.7±0.3（平均提高了4行）。平均双眼未矫正近视力（UNBVA）从术前平均值0.23±0.08提高到术后平均值0.8±0.22（平均提高约5行）。平均单眼未矫正远视力（UDVA）术前为0.9±0.1，术后为0.8±0.3（平均下降1行）。双眼未矫正远视力术后从1.0±0.1提高到1.3±0.3。所有患者的近视力均有改善。3例患者单眼远视力改善，6例患者双眼远视力改善。我们观察到单眼最佳矫正远视力（BCDVA）有统计学意义的下降（平均下降1行）。患者主观报告对获得的近视力和远视力质量感到满意，并且在良好照明条件下对眼镜的依赖程度很高。结果表明，INTRACOR手术方法非常适合低远视患者，这些患者由于远视力良好，不太适合进行屈光性晶状体置换联合多焦点人工晶状体植入术。
老花眼；INTRACOR；基质内；飞秒激光
