Clinical trial registry record

Feasibility Study of Compensation for Blindness With the PRIMA System in Patients With Dry Age Related Macular Degeneration

A registered study indexed because it matched monitored longevity research terms. Registry status: Completed. Registration does not establish safety or effectiveness.

Plain-language guide

Five questions to ask about this record

What this is
A clinical study registration, not a result or recommendation.
Why it may matter
The registry currently reports Completed.
Evidence
Registered phase not reported study.
Main limitation
Registration does not prove that the intervention works, is safe, or is available to you.
What changed
Registry metadata was last updated April 2, 2026.
Where to verify
Open the primary registry below for eligibility, locations, contacts, and current status.
Registry ID
NCT03333954
Last registry update
April 2, 2026
Status
Completed
Phase
Phase not reported
Sponsor
Science Corporation
Enrollment
5
Countries
France
Match confidence
60%
Source feed
ClinicalTrials.gov
Automated source synopsis

A registered study indexed because it matched monitored longevity research terms. Registry status: Completed. Registration does not establish safety or effectiveness.

Evidence snapshot

What the source actually supports

Evidence stage
Phase not reported
Study design
NA · SINGLE GROUP · TREATMENT · NONE
Evidence population
Human clinical study registration
Participants
5
Population
ALL · 60 Years
Duration
2017-11-06 to 2024-12-12
Intervention
PRIMA Bionic Vision System
Comparator
Not reported
Outcomes measured
Elicitation of perception — 6 months after implantation; Elicitation of perception — 6 weeks after implantation; Elicitation of perception — 3 months after implantation; Elicitation of perception — 12 months after implantation; Elicitation of perception — 18 months after implantation; Elicitation of perception — 24 months after implantation; Elicitation of perception — 36 months after implantation; Visual Acuity — 18, 24 and 36 months after implantation if applicable; Letter Visual Acuity — 48, 60 and 72 month after implantation; Quality of Live measured by IVI — 48, 60 and 72 month after implantation
Reported result
No reusable finding-level result is available in this record.

Main limitationThis is a study registration. No reusable structured result is available here, so it cannot show whether the intervention worked or was safe.

Safety and approvalEligibility, adverse-event details, and clinical decisions must be checked in the official registry and with qualified clinicians. Trial registration is not regulatory approval and does not establish that an intervention is available.

Source supportStructured registry protocol metadata; no finding-level conclusion is generated.

Trial stage · Phase not reportedA trial phase describes development stage; it does not establish a positive result.
Phase 1Phase 2Phase 3Phase 4

Registration and recruitment status do not establish safety, efficacy, or regulatory approval.

Why this record appears here · 60% topic match

The title, summary, or source keywords matched one or more topics followed by immortal.life. A higher percentage means a stronger topic match; it does not rate safety, effectiveness, or study quality.

  • Vision ageing · 60%Source terminology contains: age-related macular degeneration. Source terminology supplies longevity context: age-related. Study type is explicitly identified as INTERVENTIONAL.

Automated source check 100% · update recency 100%. These figures help sort records; they are not medical ratings.

vision aging
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