Assessing Fitting Guides in Alcon Multifocal Contact Lenses

Completed · Not applicable

Conditions studied: Presbyopia, Refractive Errors

In brief

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.

Key facts

Study ID

NCT03118934

Run by

Alcon Research

People needed

188

Starts

2017-05-17

Expected to finish

2017-07-28

Last updated by the study team

2018-09-26

Who can join

Age: 40 and older, up to 65. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• 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.

You may not qualify if…

• 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.

Where it is running

• Alcon Investigative Site — Phoenix, Arizona, United States
• Alcon Investigative Site — San Diego, California, United States
• Alcon Investigative Site — Pensacola, Florida, United States
• Alcon Investigative Site — Tallahassee, Florida, United States
• Alcon Investigative Site — Pittsburg, Kansas, United States
• Alcon Investigative Site — Shawnee Mission, Kansas, United States
• Alcon Investigative Site — Ann Arbor, Michigan, United States
• Alcon Investigative Site — Eden Prairie, Minnesota, United States
• Alcon Investigative Site — Medina, Minnesota, United States
• Alcon Investigative Site — Raytown, Missouri, United States
• Alcon Investigative Site — Powell, Ohio, United States
• Alcon Investigative Site — Warwick, Rhode Island, United States
• Alcon Investigative Site — Memphis, Tennessee, United States
• Alcon Investigative Site — Memphis, Tennessee, United States
• Alcon Investigative Site — Burnaby, British Columbia, Canada
• Alcon Investigative Site — Toronto, Ontario, Canada
• Alcon Investigative Site — Toronto, Canada
• Alcon Investigative Site — Coventry, United Kingdom
• Alcon Investigative Site — Hereford, United Kingdom
• Alcon Investigative Site — Monmouth, United Kingdom

Full record on ClinicalTrials.gov

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