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OpenTrials
Completed

NCT Number: NCT00716339

Pseudophakic Accommodation

Purpose:

The aim of this study was to compare the effect of ciliary body training as proposed by manufacturers of accommodating IOLs and patient motivation on the pseudoaccommodative ability with a standard intraocular lens (SA60AT).

Setting:

Department of Ophthalmology, Medical University of Vienna.

Methods:

This randomized, controlled, examiner-masked study comprised 80 eyes of 40 patients that underwent standard cataract surgery. Patients were randomly assigned to a "motivated" or "non-motivated" (control) group. In the motivated group, subjects were told to take part in a special protocol to improve their near-reading ability after cataract surgery and were instructed not to use near adds for at least 3 months. Follow-up examinations included best-corrected distance visual acuity (VA), distance-corrected near VA, best-corrected near VA, defocus curve and reading speed, as well as pilocarpine-, cyclopentolate- and nearpoint-induced IOL shift assessed with partial coherence interferometry.

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Key information

Conditions

Cataract Eye Diseases Lens Diseases

Age range

50 year–75 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Medical University Vienna, Department of Ophthalmology

Vienna, State of Vienna, 1090, Austria

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Patients suffering from age-related cataract who are enrolled for cataract surgery.
  • Age 50 to 75 years
  • < 1 D of corneal astigmatism, estimated postoperative VA of 20/30 or better and IOL power between 16 and 27 dpt

Exclusion criteria

  • Patients with complications during cataract surgery or during the postoperative period, significant other ophthalmic diseases such as glaucoma, diabetic retinopathy, etc., or ophthalmic surgery other than cataract surgery

Treatment and study plan

Motivation

Behavioral

Primary outcomes

  1. visual acuity (best-corrected distance VA, distance-corrected near VA, best-corrected near VA)

Secondary outcomes

  1. IOL shift (pilocarpine-, cyclopentolate- and nearpoint-induced) assessed with partial coherence interferometry

Sponsors and collaborators

Lead sponsor

Medical University of Vienna

Other

Registry information

Important dates

First posted
Jul 16, 2008
Registry last updated
Jul 16, 2008

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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