- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01275118
Comparison of Postoperative Visual Acuity and Spectacle Independence Between the Tecnis Multifocal Intraoculer Lens (IOL) and the Crystalens Accommodating IOL
February 26, 2014 updated by: Mark Packer, MD, FACS
Comparative Study of Photopic and Mesopic Distance, Intermediate and Near Visual Acuity, and Spectacle Independence With Bilateral Implantation of the Tecnis Multifocal (TMF) Intraocular Lens or Crystalens AO (CAO) Intraocular Lens
Comparison of postoperative visual acuity and spectacle independence between the Tecnis Multifocal Intraoculer Lens (IOL) and the crystalens Accommodating IOL
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Actual)
26
Phase
- Phase 4
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
Oregon
-
Eugene, Oregon, United States, 97401
- Drs. Fine, Hoffman and Packer, LLC
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (ADULT, OLDER_ADULT)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- 18 years of age or older
- Status post bilateral cataract or refractive lens surgery (with or without LRI) and implantation of Tecnis™ Multifocal IOL or Crystalens™ AO Accommodating IOL
- Best-corrected ETDRS equivalent visual acuity of 20/30 or better in each eye
- Naturally dilated pupil size (in dim light) > 3.5 mm (with no dilation medications) for both eyes
- Clear intraocular media (no posterior capsular opacification, or status post YAG capsulotomy)
- Availability, willingness, and sufficient cognitive awareness to comply with examination procedures
Exclusion Criteria:
- Ocular disease which could potentially limit uncorrected visual acuity or visual performance.
- Use of systemic or ocular medications that may affect visual outcomes
- Acute or chronic disease or illness that would increase risk or confound study results (e.g. diabetes mellitus, immunocompromised, etc.)
- Uncontrolled systemic or ocular disease
- History of ocular trauma
- History of ocular surgery other than that required for inclusion in this study
- Amblyopia or strabismus
- Known pathology that may affect visual acuity; particularly retinal changes that affect vision (macular degeneration, cystoid macular edema, proliferative diabetic retinopathy, etc.)
- Diagnosed degenerative visual disorders (e.g. macular degeneration, or other retinal disorders) that are predicted to cause future acuity losses to a level of worse than 20/30
- Subjects who may be expected to require retinal laser treatment or other surgical intervention
- Capsule or zonular abnormalities that may affect postoperative centration or tilt of the lens (e.g. pseudoexfoliation syndrome)
- Pupil abnormalities (non-reactive, tonic pupils or abnormally shaped pupils)
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: NON_RANDOMIZED
- Interventional Model: SINGLE_GROUP
- Masking: NONE
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Visual function
Time Frame: 3 months postoperatively
|
3 months postoperatively
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Use of spectacle correction and vision-related quality of life
Time Frame: 3 months postoperatively
|
3 months postoperatively
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Investigators
- Principal Investigator: Mark Packer, MD, FACS, CPI, Drs. Fine, Hoffman and Packer, LLC
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
December 1, 2010
Primary Completion (ACTUAL)
September 1, 2011
Study Completion (ACTUAL)
September 1, 2011
Study Registration Dates
First Submitted
January 10, 2011
First Submitted That Met QC Criteria
January 11, 2011
First Posted (ESTIMATE)
January 12, 2011
Study Record Updates
Last Update Posted (ESTIMATE)
February 28, 2014
Last Update Submitted That Met QC Criteria
February 26, 2014
Last Verified
February 1, 2014
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- TMF-09-002 Rev.5
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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