Assessing Fitting Guides in Alcon Multifocal Contact Lenses

Conditions

• Presbyopia
• Refractive Errors

Interventions

• DEVICE: Lotrafilcon B multifocal contact lenses
• DEVICE: Nelfilcon A multifocal contact lenses
• DEVICE: Delefilcon A multifocal contact lenses

Sponsor

Alcon Research