Comparison of Clinical Outcomes After Cataract Surgery With and Without Capsular Tension Ring

Yonsei University

Status: Completed

Conditions: Cataract

Treatments: Device: Insertion of the capsular tension ring

Study type: Observational

Funder types: Other

Identifiers

NCT02183831

1-2014-0010

Details and patient eligibility

About

This study was set up to identify clinical outcomes including a refractive shift or change in IOL calculation accuracy and optical quality after Ophtec® capsular tension ring in the eyes without zonular instability.

Enrollment: 52 patients

Sex: All

Ages: 40 to 79 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

1. age between 40 and 79 years
2. no history of eye surgery or glaucoma
3. a transparent central cornea
4. pupil dilation at the preoperative examination of at least 6.0 mm
5. absence of biomicroscopic signs of pseudoexfoliation
6. normal fundus examination

Exclusion criteria

1. presence of ocular disease that might affect the visual outcome (e.g., color vision disturbance, chronic uveitis)
2. presence of ocular disease that might affect contrast sensitivity function (e.g., glaucoma, maculopathy, high myopia)

Trial design

52 participants in 2 patient groups

Capsular tension ring non insertion group

Description:

The patients who had same cataract surgery procedure without CTR insertion

Capsular tension ring insertion group

Description:

The patients who underwent capsular tension ring insertion just before IOL implantation during cataract surgery

Treatment:

Device: Insertion of the capsular tension ring