Liekfeld A, Pham D T, Wollensak J
Augenkinik im Virchow-Klinikum der Humboldt-Universität zu Berlin.
Klin Monbl Augenheilkd. 1995 Nov;207(5):283-6. doi: 10.1055/s-2008-1035379.
Clinical studies of multifocal intraocular lenses have primarily investigated functional results unilaterally. In the following study we have examined functional results after bilateral implantation of a refractive multifocal intraocular lens, which had already shown good results with unilateral testing situations.
After implantation of 36 foldable refractive multifocal posterior-chamber lenses in 25 patients we compared two patient groups concerning functional results: 11 patients with bilateral implantation against 14 patients with unilateral implantation of this lens type. We tested binocular function of distance visual acuity, near visual acuity, depth of focus, stereopsis, glare visual acuity and contrast sensitivity.
The patients with bilateral implantation had a significantly better distance visual acuity, depth of focus and stereopsis tested according to Lang. Stereopsis tested according to Randot or Titmus and near visual acuity were not significantly but in trend better in patients with bilateral implantation. There were no differences in glare visual acuity or contrast sensitivity. The patients with bilateral implantation used more seldom glasses for reading, but they did not describe more disturbing optical phenomenons.
Having a satisfied patient with a multifocal lens in one eye the implantation of the same type of lens into the second eye will bring further functional advantage to the patient.
多焦点人工晶状体的临床研究主要是对单侧植入后的功能结果进行研究。在本研究中，我们检查了双侧植入屈光性多焦点人工晶状体后的功能结果，该晶状体在单侧测试情况下已显示出良好效果。
在25例患者中植入36枚可折叠屈光性多焦点后房型晶状体后，我们比较了两组患者的功能结果：11例双侧植入患者与14例单侧植入该类型晶状体的患者。我们测试了双眼的远视力、近视力、焦深、立体视、眩光视力和对比敏感度。
根据朗氏法测试，双侧植入患者的远视力、焦深和立体视明显更好。根据兰多或蒂特莫斯法测试的立体视以及近视力，双侧植入患者虽无显著差异，但有更好的趋势。眩光视力或对比敏感度无差异。双侧植入患者阅读时较少使用眼镜，但他们并未描述更多令人困扰的光学现象。
如果一只眼睛植入多焦点晶状体的患者感到满意，那么在另一只眼睛植入同一类型的晶状体将为患者带来进一步的功能优势。
