Visual function and reading speed after bilateral implantation of 2 types of diffractive multifocal intraocular lenses: Add-on versus capsular bag design.

Purpose: To compare the functional outcomes of primary implantation of a monofocal intraocular lens (IOL) in the capsular bag and an add-on multifocal IOL in the sulcus with the functional results of a conventional multifocal posterior chamber IOL and to evaluate the multifocal add-on IOL as an effective alternative to a conventional multifocal IOL.

Setting: Ernst von Bergmann Eye Clinic, Potsdam, Germany.

Design: Prospective nonrandomized case series.

Retropupillary fixation of iris-claw intraocular lens versus transscleral suturing fixation for aphakic eyes without capsular support.

Purpose: Retropupillary fixation of an iris-claw intraocular lens (IOL) (Verisyse, Abbott Medical Optics) was performed for aphakic eyes without sufficient capsular support, and safety and recovery of the procedure were compared with transscleral suturing fixation.

Methods: This interventional case series comprised 11 eyes of 10 aphakic patients without capsular support undergoing retropupillary fixation of the Verisyse, and 21 eyes of 20 patients undergoing transscleral suturing fixation of foldable acrylic IOLs (15 eyes of 14 patients, SuperFlex620H [Rayner Intraocular Lenses Ltd]) and polymethylmethacrylate IOLs (6 eyes of 6 patients, CP60NS [CORNEAL Laboratoire]). Surgical time was measured.

Intraocular lens power calculation after intrastromal femtosecond laser treatment for presbyopia: Theoretic approach.

Purpose: To evaluate the accuracy of intraocular lens (IOL) power calculation after an intrastromal femtosecond laser procedure to treat presbyopia using a theoretic approach.

Setting: International Vision Correction Research Centre, Department of Ophthalmology, University of Heidelberg, Heidelberg, Germany.

Design: Nonrandomized clinical trial.

Impact of axis misalignment of toric intraocular lenses on refractive outcomes after cataract surgery.

Purpose: To theoretically and clinically evaluate the impact of axis misalignment of toric intraocular lenses (IOLs) on postoperative refraction.

Setting: International Vision Correction Research Center, University of Heidelberg, Heidelberg, Germany.

Design: Case series.

Pseudophakic eye with obliquely crossed piggyback toric intraocular lenses.

A 72-year-old man presented with high astigmatism (2.25 -5.0 x 45) induced by long-term rotation of a toric intraocular lens (IOL).

Early outcomes of INTRACOR femtosecond laser treatment for presbyopia.

Purpose: To investigate early functional outcomes of the INTRACOR femtosecond laser-based intrastromal procedure to treat presbyopia.

Methods: Twenty-five eyes of 25 presbyopic patients were enrolled in this prospective, ethics committee-approved study. Following detailed preoperative examination, the INTRACOR procedure was performed using the TECHNOLAS femtosecond laser (Technolas Perfect Vision GmbH) in the non-dominant eye.

Comparison of ray-tracing method and thin-lens formula in intraocular lens power calculations.

Purpose: To compare the accuracy of the thin-lens and ray-tracing methods in intraocular lens (IOL) power calculations in normal eyes and eyes after corneal refractive surgery.

Setting: International Vision Correction Research Centre, University of Heidelberg, Heidelberg, Germany.

Methods: Pseudophakic eye models were constructed using Zemax optical software, importing corneal radii (normal ray tracing) and corneal surface elevation data (individual ray tracing) measured by Pentacam Scheimpflug photography.

Dynamic stimulation of accommodation.

We describe the analysis of accommodation using wavefront measurements in phakic and pseudophakic eyes. Accommodation measurements were performed in phakic and pseudophakic eyes using a dynamic stimulation aberrometry (DSA) device (Optana) as an attachment to the WASCA aberrometer (Carl Zeiss Meditec AG). Aberrations were measured for distance fixation (3.