Pseudophakic Accommodation

Not Applicable

Completed

• Conditions: Cataract
• Interventions: Behavioral: motivation

• Registration Number: NCT00716339
• Lead Sponsor: Medical University of Vienna

Brief Summary

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.

Detailed Description

Not available

Study Timeline

• Status Verified: 2008-07
• Study First Submitted: 2008-07-09
• Study First Submitted QC: 2008-07-14
• Last Update Submitted: 2008-07-14
• Study First Posted: 2008-07-16
• Last Update Posted: 2008-07-16

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 40

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

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
1	motivation	motivated

Primary Outcome Measures

Name	Time	Method
visual acuity (best-corrected distance VA, distance-corrected near VA, best-corrected near VA)

Secondary Outcome Measures

Name	Time	Method
IOL shift (pilocarpine-, cyclopentolate- and nearpoint-induced) assessed with partial coherence interferometry

Trial Locations

Locations (1)

Medical University Vienna, Department of Ophthalmology; 🇦🇹 Vienna, Austria