Assessing Fitting Guides in Alcon Multifocal Contact Lenses

Alcon Research188 enrolled

Overview

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.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

OTHER

Masking

SINGLE

Enrollment

188

Conditions

Presbyopia Refractive Errors

Interventions

Lotrafilcon B multifocal contact lensesDEVICE

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

Nelfilcon A multifocal contact lensesDEVICE

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

Delefilcon A multifocal contact lensesDEVICE

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

Eligibility

Sex: ALLMin age: 40 YearsMax age: 65 Years

Medical Language ↔ Plain English

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.

Locations (20)

Alcon Investigative Site

Phoenix, Arizona, United States

Alcon Investigative Site

San Diego, California, United States

Outcomes

Primary Outcomes

Mean Number of Trial Lenses Needed to Fit Each Eye

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

Time frame: VIsit 1/Day 1

Data from ClinicalTrials.gov

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