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OpenTrials
Completed

NCT Number: NCT03118934

Assessing Fitting Guides in Alcon Multifocal Contact Lenses

The purpose of this study is to compare an alternative fitting guide to a current fitting guide for optimizing contact lens parameters and determining contact lens prescription.

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Key information

Conditions

Presbyopia Eye Diseases Refractive Errors

Age range

40 year–65 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Alcon Investigative Site, Burnaby, British Columbia, Canada

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Sign informed consent;
  • Normal eyes;
  • Current full-time soft contact lens wearer needing presbyopia correction;
  • Willing to wear lenses for a minimum of five days per week, six hours per day, and attend all study visits;
  • Other protocol-defined inclusion criteria may apply.

Exclusion criteria

  • Use of systemic or ocular medications for which contact lens wear could be contraindicated as determined by the Investigator;
  • Eye conditions (past or present) as specified in the protocol;
  • Currently wearing Alcon multifocal (MF) contact lenses;
  • Only one eye with functional vision;
  • Contact lens wear in one eye only;
  • Use of mechanical eyelid therapy or eyelid scrubs within 14 days before Visit 1 and not willing to discontinue during the study;
  • Other protocol-defined exclusion criteria may apply.

Treatment and study plan

Lotrafilcon B multifocal contact lenses

Device

Contact lenses for near, intermediate, and distance correction worn on a daily wear basis and cared for with participant's habitual lens care solution

Other names: AIR OPTIX AQUA® Multifocal

Nelfilcon A multifocal contact lenses

Device

Contact lenses for near, intermediate, and distance correction worn on a daily disposable basis (removed every night and discarded) with a new pair of study lenses every morning

Other names: DAILIES® AquaComfort Plus® Multifocal

Delefilcon A multifocal contact lenses

Device

Contact lenses for near, intermediate, and distance correction worn on a daily disposable basis (removed every night and discarded) with a new pair of study lenses every morning

Other names: DAILIES TOTAL1® Multifocal

Primary outcomes

  1. Mean Number of Trial Lenses Needed to Fit Each Eye

    Time frame: VIsit 1/Day 1

    The Investigator used a multi-focal contact lens fitting guide to determine which study lens to fit

Sponsors and collaborators

Lead sponsor

Alcon Research

Industry

Registry information

Important dates

Study start
2017
Primary completion
2017
Study completion
2017
First posted
Apr 18, 2017
Registry last updated
Sep 26, 2018

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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