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Related Experiment Video

Updated: Jul 9, 2026

Rotating the Intraocular Lens to Prevent Posterior Capsular Opacification in Cataract Surgeries

Rotating the Intraocular Lens to Prevent Posterior Capsular Opacification in Cataract Surgeries

Published on: July 7, 2023

[Toric phakic intraocular lenses].

H B Dick¹, S E Buchner

¹Universitäts-Augenklinik Bochum, Bochum. burkhard.dick@kk-bochum.de

Der Ophthalmologe : Zeitschrift Der Deutschen Ophthalmologischen Gesellschaft

|November 30, 2007

Summary

Toric iris-fixated phakic intraocular lenses (IOLs) offer safe and effective correction for astigmatic errors. Careful patient selection and preparation are key to achieving predictable, stable visual outcomes.

Area of Science:

Ophthalmology
Refractive Surgery
Optics

Context:

Astigmatism correction presents challenges in refractive surgery.
Phakic intraocular lenses (IOLs) offer an alternative to refractive surgery.
Toric IOLs are designed to correct both spherical and astigmatic errors.

Purpose:

To evaluate the safety, predictability, effectiveness, and stability of toric iris-fixated phakic IOL implantation.
To compare different models of toric phakic IOLs, including iris-fixated and sulcus-placed designs.
To assess the potential of these IOLs for single-step correction of refractive errors.

Summary:

Toric iris-fixated phakic IOLs (e.g., Verisyse, Artisan) are PMMA lenses providing refractive powers from -2 to -21 dpt and cylindrical correction from 2 to 7.5 dpt.

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Last Updated: Jul 9, 2026

Rotating the Intraocular Lens to Prevent Posterior Capsular Opacification in Cataract Surgeries

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Published on: July 7, 2023

Synthesis of Soft Polysiloxane-urea Elastomers for Intraocular Lens Application

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Published on: March 8, 2019

Foldable toric implantable Collamer lenses (e.g., Visian) offer insertion via small incisions (approx. 2.8 mm) and are placed in the ciliary sulcus.

Both lens types aim for comprehensive refractive error correction, addressing spherical and astigmatic components simultaneously.

Impact:

Toric iris-fixated phakic IOL implantation demonstrates satisfactory results after over 3 years of follow-up.
This procedure shows potential for safe, predictable, effective, and stable astigmatic error correction.
Successful outcomes depend on meticulous patient selection and surgical preparation.