Evaluation of the Rotational Stability of the Tecnis Toric II IOL (STEELE)
Clinical Investigation of Rotational Stability of the TECNIS® Toric II Intraocular Lens
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
California
-
Bakersfield, California, United States, 93309
- Empire Eye and Laser Center, Inc.
-
Los Angeles, California, United States, 92705
- University of California
-
-
Iowa
-
Sioux City, Iowa, United States, 51104
- Jones Eye Clinic
-
-
North Dakota
-
W. Fargo, North Dakota, United States, 58078
- Vance Thompson Vision, ND
-
-
Ohio
-
Cincinnati, Ohio, United States, 45242
- Cincinnati Eye Institute
-
-
Texas
-
Dallas, Texas, United States, 75243
- JW Eye Associates, P.A. DBA Key-Whitman Eye Center
-
Hurst, Texas, United States, 76054
- Texas Eye & Laser Center, P.A.
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Minimum 22 years of age;
- Unilateral or Bilateral cataracts for which cataract extraction and posterior chamber IOL implantation have been planned;
- Pre-existing corneal astigmatism of one diopter or greater;
- Predicted residual refractive cylinder based on toric IOL calculator, considering surgically induced astigmatism (SIA) and posterior corneal astigmatism (PCA) must be ≤0.50 D;
- Potential for postoperative BCDVA of 20/30 Snellen or better;
- Clear intraocular media other than cataract in each eye;
- Availability, willingness and sufficient cognitive awareness to comply with examination procedures and study visits;
- Signed informed consent form (ICF) and health insurance portability and accountability act (HIPAA) authorization;
- Ability to understand and respond to a questionnaire in English.
Exclusion Criteria:
- Irregular corneal astigmatism;
- Any corneal pathology/abnormality other than regular corneal astigmatism or corneal instability due to contact lens wear;
- Previous corneal or intraocular surgery;
- Inability to focus or fixate for prolonged periods of time (e.g., due to strabismus, nystagmus, etc.);
- Any pupil abnormalities (non-reactive, fixed, or abnormally shaped pupils);
- Dilated pupil size of < 6.0 mm;
- Recurrent severe anterior or posterior segment inflammation or uveitis;
- Subjects with conditions associated with increased risk of zonular rupture, including capsular or zonular abnormalities that may lead to IOL decentration, including pseudoexfoliation, trauma, or posterior capsule defects;
- Known ocular or systemic disease that, in the opinion of the investigator, may affect visual acuity or require surgical intervention during the course of the study, [macular degeneration, cystoid macular edema, proliferative diabetic retinopathy (severe), uncontrolled glaucoma, irregular corneal astigmatism, choroidal hemorrhage, concomitant severe eye disease, extremely shallow anterior chamber, microphthalmos, non-age related cataract, severe corneal dystrophy, severe optic nerve atrophy, etc.];
- Use of systemic or ocular medications (e.g., Flomax) that may affect vision including prior, current, or anticipated use during the course of the study that may, in the opinion of the investigator, confound the outcome or increase the risk to the subject (e.g., poor dilation or a lack of adequate iris structure to perform standard cataract surgery);
- Patient is pregnant, plans to become pregnant, is lactating or has another condition associated with the fluctuation of hormones that could lead to refractive changes;
- Concurrent participation or participation within 30 days prior to the preoperative visit in any other clinical study.
- Planned monovision correction (eye designated for near correction)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: TECNIS® Toric II
Subjects will be implanted in one or both eyes with the study lens
|
Toric Intraocular Lens
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Percentage of Eyes With ≤ 5º Lens Axis Misalignment From the Intended IOL Axis of Orientation at the 1-week Postoperative Visit
Time Frame: 1 week postoperative
|
Absolute difference between intended IOL axis of orientation (immediately at the end of surgery) and follow-up visit(s) were measured by a photographic based method.
|
1 week postoperative
|
Collaborators and Investigators
Sponsor
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Actual)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- NXGT-202-QROS
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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