On the Chromatic Dispersion of Hydrophobic and Hydrophilic Intraocular Lenses.

Significance: There is a high variation of chromatic dispersion with contemporary intraocular lens (IOL) materials. It is well known that chromatic aberration limits the optical performance especially with high-power lenses. Lens manufacturers, however, rarely provide data on the chromatic dispersion of their materials, limiting the comparability of available materials.

Visualization of Light Propagation with Multifocal Intraocular Lenses Using the Ouzo Effect.

The number of presbyopia correcting intraocular lenses (IOLs) is increasing and new technologies are constantly emerging with the aim of correcting the loss of accommodation after cataract surgery. Various optical designs have been proposed to implement multifocality or an extended depth of focus (EDOF). Depending on the optical principle of an implanted lens, the visual performance often is deteriorated by superposition of individual image planes and halos of varying intensity.

[Concept for 3D measurement of corneal donor tissue using a clinical OCT].

Purpose: We present a concept for non-contact tomographic measurement and characterization of corneal donor tissue within the cell culture medium. The purpose is to screen corneal tissue for pathologies or alterations after refractive surgery.

Methods: Image acquisition is performed with the clinical anterior segment optical coherence tomography (OCT) Casia 2 (Tomey Corp.