STAAR Visian Toric ICL Post-Approval Study
- Conditions
- Myopic Astigmatism
- Registration Number
- NCT04516772
- Lead Sponsor
- Staar Surgical Company
- Brief Summary
- The objective of this study is to evaluate the long term (i.e. 24 months) clinical performance of the Visian® Toric Implantable Collamer® Lens (ICL). 
- Detailed Description
- This study will be conducted at 6-8 clinical sites in the US, by surgeons qualified by experience and training to implant Visian Toric ICLs. 
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 125
- Moderate to high myopia with astigmatism correctable with available TICL powers.
- Stable refractive history within 0.50 D each cylinder and spherical equivalent (SE) for 1 year prior to implantation.
- Able and willing to return for scheduled follow-up examinations after surgery.
- Able to read, understand and provide written informed consent on the Institutional Review Board (IRB)-approved informed consent form (ICF) and provide authorization as appropriate for local privacy regulations.
- Other protocol-specified inclusion criteria may apply.
- Insulin-dependent diabetes or diabetic retinopathy.
- History of previous ocular surgery.
- Cataract of any grade.
- Monocular.
- Pregnant or nursing women, or those who plan to become pregnant over the course of this clinical study.
- Other protocol-specified exclusion criteria may apply.
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- SINGLE_GROUP
- Primary Outcome Measures
- Name - Time - Method - Change in axis orientation of the TICL - 18 to 24 months postoperative - Rotation of the TICL of less than or equal to five degrees in 90% of treated eyes between 18 and 24 months postoperative 
- Secondary Outcome Measures
- Name - Time - Method - Absolute Rotation of the TICL in treated eyes - 1 day, 1 week, 1 month, 3 months, 6 months, 12 months, 18 months, 24 months after surgery - * Absolute rotation of the TICL between visits 
 * Absolute rotation of the TICL \<5 degrees, \<10 degrees, \<20 degrees, and \<30 degrees from intended orientation
 * Absolute rotation of the TICL at each visit- Manifest refraction spherical equivalence (MRSE) and cylinder - 1 week, 1 month, 3 months, 6 months, 12 months, 18 months, 24 months after surgery - MRSE and cylinder in treated eyes - Ocular (adverse events) AEs - Through study completion, an average of 24 months - Incidence of AEs in treated eyes 
Related Research Topics
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Trial Locations
- Locations (7)
- Aloha Laser Vision, LLC 🇺🇸- Honolulu, Hawaii, United States - Price Vision Group, 🇺🇸- Indianapolis, Indiana, United States - Solomon Eye Physicians and Surgeons/Bowie Vision Institute 🇺🇸- Bowie, Maryland, United States - Vance Thompson Vision 🇺🇸- W. Fargo, North Dakota, United States - Cleveland Eye Clinic 🇺🇸- Brecksville, Ohio, United States - Key-Whitman Eye Center 🇺🇸- Dallas, Texas, United States - Hoopes Vision/Hoopes, Durrie, Rivera Research 🇺🇸- Draper, Utah, United States Aloha Laser Vision, LLC🇺🇸Honolulu, Hawaii, United States
