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NCT03546647 · ClinicalTrials.gov registry record · NA

Toric Contact Lens Performance Study

A NA study, sponsored by University of Houston.

Completed
Registry status
NA
Development phase
35
Enrollment target

NCT03546647: Completed NA study, sponsored by University of Houston.

NCT03546647 is a NA study that has completed, run by University of Houston. The registered enrollment target is 35 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03546647, a NA study, has completed, sponsored by University of Houston.

COMPLETED
Registry status
NA
Development phase
35 participants
Enrollment target

Study Summary

This study seeks to quantify digital visual performance and subjective visual acceptance of toric contact lenses as compared to spherical lenses in low to moderate astigmatic patients.

Primary Outcome

High contrast LogMAR visual acuity was assessed at 40 cm using the M\&S Clinical Trial Suite system (Niles, Illinois, USA). The system was calibrated according to the manufacturer's directions every day, prior to use. Testing was performed binocularly. The test started at 20/200 and continued until three letters were missed on a line.

Interventions

  • DEVICE Dailies Aqua Comfort Plus Toric
  • DEVICE Dailies Aqua Comfort Plus Sphere

Trial Details

FieldValue
Enrollment Target 35 participants
Start Date 2018-06-18
Est. Completion 2018-12-21
Phase NA
University of Houston

64 total trials

What the finished NCT03546647 record still lists

NCT03546647 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 35 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower).

The record links to 0 conditions, and to 2 interventions - of which Dailies Aqua Comfort Plus Toric is the first listed.

NCT03546647 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03546647 about?

NCT03546647 is a clinical study titled "Toric Contact Lens Performance Study". This study seeks to quantify digital visual performance and subjective visual acceptance of toric contact lenses as compared to spherical lenses in low to moderate astigmatic patients.

What is the current status of trial NCT03546647?

This trial is currently completed. It is a NA study. The enrollment target is 35 participants. The study started on 2018-06-18. Estimated completion is 2018-12-21.

What interventions are being tested in trial NCT03546647?

The interventions under investigation include: Dailies Aqua Comfort Plus Toric (DEVICE), Dailies Aqua Comfort Plus Sphere (DEVICE).

Who is sponsoring clinical trial NCT03546647?

This trial is sponsored by University of Houston, which has 64 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03546647's enrollment target sits among peer trials

35 1564th of 2000 higher than 431 of 2,000 other NA trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT03546647, the US trial registry maintained by the National Library of Medicine. NCT03546647 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.