The objective of this study is to evaluate the clinical performance of the STAAR EVO+ Visian™ Implantable Collamer® Lens with Aspheric (EDOF) Optic as refractive elements to correct or reduce myopia or hyperopia with presbyopia with or without astigmatism.
Age range
40 Years – 60 Years
Sex
ALL
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Change in visual acuity
Timeframe: 1 month, 3 months and 6 months postoperatively
Change in refractive cylinder
Timeframe: 1 month, 3 months and 6 months postoperatively
Lens axis misalignment
Timeframe: 1 month, 3 months and 6 months postoperatively
Rotational stability
Timeframe: 1 day, 1, week, 1 month, 3 months and 6 months postoperatively
Compromise in visual acuity
Timeframe: 6 months postoperatively