Zhao Yuxin, Wang Zhaoxia, Tian Xia, Wang Xuehong, Gao Xining
Weihai Center Hospital, 3 West Mishan Road, Weihai, 264400, Shandong, China.
Int Ophthalmol. 2018 Jun;38(3):1169-1175. doi: 10.1007/s10792-017-0578-3. Epub 2017 May 30.
To determine whether the aspherical IOL, Tecnis ZCB00, can improve the visual quality by measuring visual acuity, wavefront aberrations, and contrast sensitivity.
It was a retrospective case series. Patients who underwent phacoemulsification cataract surgery were divided into two groups. One group (Group TC) was implanted with one-piece aspherical acrylic IOL (Tecnis ZCB00, AMO); the other (Group SA) was implanted with one-piece spherical acrylic IOL (Sensar AAB00, AMO). Eighty-eight eyes were selected into this study, among them 43 eyes in 26 male cases and 45 eyes in 29 female cases. Thirty-six eyes in 23 cases were in Group TC, and 52 eyes in 32 cases were in Group SA. Three months postoperatively, aberrations were analyzed with i-Trace visual function analyzer (Tracy Technologies, USA). Contrast sensitivities were measured with Takaci-CGT-1000 contrast glare tester (Seiko, Japan).
All the 88 eyes underwent phacoemulsification with intraocular lens implantation, without complications during or after surgery. Three months postoperatively, the uncorrected vision acuity in Group TC was significantly better than in Group SA (P = 0.007). At the pupil size of 5.0 mm, higher-order aberrations in Group TC were significantly higher than in Group SA (P = 0.02), especially the spherical aberration (Z ) (P < 0.001); at the pupil size of 4.0 mm, Z in Group SA was statistically higher than in Group TC (P < 0.001); at the pupil size of 3.0 mm, higher-order aberrations such as coma (Z ) and trefoil aberration (Z ) in Group SA were obviously higher than in Group TC (P = 0.01). In the low spatial frequency, the contrast sensitivity and the glare sensitivity in Group TC were significantly higher than in Group SA (P < 0.05).
By the short-term follow-up (3 months), the aspherical acrylic IOL can reduce the higher-order aberrations (especially the spherical aberration) and increase the contrast sensitivity to improve the visual performance.
通过测量视力、波前像差和对比敏感度，确定非球面人工晶状体Tecnis ZCB00是否能提高视觉质量。
这是一项回顾性病例系列研究。接受白内障超声乳化手术的患者被分为两组。一组（TC组）植入一片式非球面丙烯酸人工晶状体（Tecnis ZCB00，AMO公司）；另一组（SA组）植入一片式球面丙烯酸人工晶状体（Sensar AAB00，AMO公司）。本研究共纳入88只眼，其中男性26例43只眼，女性29例45只眼。TC组23例36只眼，SA组32例52只眼。术后3个月，使用i-Trace视觉功能分析仪（美国Tracy Technologies公司）分析像差，使用Takaci-CGT-1000对比眩光测试仪（日本精工公司）测量对比敏感度。
88只眼均接受了白内障超声乳化联合人工晶状体植入术，术中及术后均无并发症。术后3个月，TC组的裸眼视力显著优于SA组（P = 0.007）。在瞳孔直径为5.0 mm时，TC组的高阶像差显著高于SA组（P = 0.02），尤其是球差（Z ）（P < 0.001）；在瞳孔直径为4.0 mm时，SA组的Z 在统计学上高于TC组（P < 0.001）；在瞳孔直径为3.0 mm时，SA组的高阶像差如彗差（Z ）和三叶草像差（Z ）明显高于TC组（P = 0.01）。在低空间频率下，TC组的对比敏感度和眩光敏感度显著高于SA组（P < 0.05）。
通过短期随访（3个月），非球面丙烯酸人工晶状体可减少高阶像差（尤其是球差），提高对比敏感度，从而改善视觉性能。
