Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Refractive Ametropia clinical trials
A small indexed set (6 trials) with no open enrollment listed right now.
Corpus placement: #2,866 of 28,707 conditions by registered trial count.
6 US clinical trials · none currently recruiting · #2,866 of 28,707 conditions by registered trial count
Refractive Ametropia: 6 US clinical trials tracked, none currently recruiting.
Refractive Ametropia is the subject of 6 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. The most active sponsor is Alcon Research, running 5 of these trials.
Enrollment posture brief
Registry condition refractive-ametropia
OPEN 0 | RECR 0% | LATE 0 | EARLY 0 | RANK #2866 | SPON 5
Volume-matched condition peers
Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)
Refractive Ametropia has no open enrollment in this registry pull (6 archived studies). Peers show how other volume-matched labels compare on open share. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Refractive Ametropia on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Refractive Ametropia is recruiting below its size-band peers.
0 of 6 indexed trials (0%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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One sponsor concentrates Refractive Ametropia research.
Alcon Research accounts for 5 of 6 trials (83.3%). 2 distinct sponsors appear on at least one study for this condition label.
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Typical Refractive Ametropia enrolment sits around 108 participants.
Median target enrolment is 108 among the 6 trials that report a genuine target (sentinel values excluded). 2 of those (33.3%) plan for fewer than 100 participants.
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Refractive Ametropia research is mostly interventional.
5 interventional and 1 observational studies make up this index (83.3% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Indexed trials (enrollment closed)
6 total, page 1 of 1
Assessment of an Investigational Frequent Replacement Silicone Hydrogel Lens
Alcon Research
NCT04085328
The Clinical Performance of Two Reusable Silicone Hydrogel Contact Lenses
Alcon Research
NCT05766787
Air Optix Night and Day Aqua (AONDA) Retrospective Study 1
Alcon Research
NCT05790928
Dispensing Evaluation of Subjective Comfort, Vision, and Handling of a New Lens Compared to a Marketed Lens
Johnson & Johnson Vision Care
NCT01484054
Comparison of Two Daily Disposable Lenses
Alcon Research
NCT04013789
Clinical Evaluation of a Manufacturing Process for a Frequent Replacement Silicone Hydrogel Multifocal Contact Lens
Alcon Research
NCT05765227
Phase Distribution
Phase data not available
Top Sponsors
Named interventions
Most-linked intervention names on Refractive Ametropia records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Refractive Ametropia trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Refractive Ametropia page
6 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- No Refractive Ametropia trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
- Alcon Research sponsors the most Refractive Ametropia trials on record, review their full trial history before evaluating a specific study. See Alcon Research's trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Refractive Ametropia condition card totals 6 registered trials; most-linked intervention Serafilcon A contact lenses; top US site state Florida. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.