Multifocal Contact Lens Use in Previous Contact Lens Wearers With Near Vision Demands

NACompletedINTERVENTIONAL
Enrollment

16

Participants

Timeline

Start Date

August 31, 2009

Primary Completion Date

December 31, 2009

Study Completion Date

December 31, 2009

Conditions
Presbyopia
Interventions
DEVICE

lotrafilcon B multifocal contact lens

Commercially marketed, silicone hydrogel, multifocal contact lens for daily wear use

DEVICE

lotrafilcon B single vision contact lens

Commercially marketed, silicone hydrogel, single vision contact lens for daily wear use

OTHER

Over-reader spectacles

Reading glasses worn over single vision contact lenses for near vision work on an as-needed basis

Trial Locations (1)

N2L 3G1

University of Waterloo Centre for Contact Lens Research, Waterloo

Sponsors

Lead Sponsor

All Listed Sponsors
collaborator

University of Waterloo

OTHER

lead

CIBA VISION

INDUSTRY