Comparison of Two Multifocal Contact Lenses

Ciba Vision

Status: Completed

Conditions: Presbyopia

Treatments: Device: Lotrafilcon B contact lens; Device: Comfilcon A contact lens

Study type: Interventional

Funder types: Industry

Identifiers

NCT01250054

P-319-C-018

Details and patient eligibility

About

The purpose of this study is to compare two multifocal contact lenses in presbyopic wearers.

Enrollment: 17 patients

Sex: All

Ages: 35+ years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• At least 35 years of age.
• Sign written Informed Consent
• Spectacle add of +0.50 to +2.50D.
• Best corrected visual acuity of at least 20.30 in both eyes.
• Currently wearing soft contact lenses at least 5 days per week.
• Other protocol-defined inclusion criteria may apply.

Exclusion criteria

• Eye injury or surgery within twelve weeks of enrollment.
• Currently enrolled in any clinical trial.
• Astigmatism > 1.00D.
• Strabismus/amblyopia.
• Other protocol-defined exclusion criteria may apply.

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Crossover Assignment

Masking: Single Blind

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17 participants in 2 patient groups

Lotrafilcon B / Comfilcon A

Other group

Description:

Lotrafilcon B multifocal contact lenses worn first, with comfilcon A multifocal contact lenses worn second. Each product worn bilaterally on a daily wear basis for one week.

Treatment:

Device: Comfilcon A contact lens

Device: Lotrafilcon B contact lens

Comfilcon A /Lotrafilcon B

Other group

Description:

Comfilcon A multifocal contact lenses worn first, with lotrafilcon B multifocal contact lenses worn second. Each product worn bilaterally on a daily wear basis for one week.

Treatment:

Device: Comfilcon A contact lens

Device: Lotrafilcon B contact lens