Visual Performance of Dailies Total1 Multifocal and Acuvue Oasys Max 1-Day Multifocal in Presbyopic Lens Wearers

Inclusion criteria

• Are at least 42 years of age and has full legal capacity to volunteer;
• Have signed an information consent letter;
• Are willing and able to follow instructions and maintain the appointment schedule;
• Habitually wears soft contact lenses for the past 3 months (minimum);
• Are presbyopic and require a reading addition of at least +0.75D and no more than +1.75D;
• Can be refracted and achieve monocular spectacle distance vision of at least 20/25 Snellen (or +0.10logMAR) visual acuity;
• Have contact lens power requirements that fall within the available study lens parameters (distance sphere: +6D to -9D; near addition as per each lens design);
• Can be fit with the initial fitting guidelines provided by the lens manufacturer and use either Low or Medium Add (same add in both eyes).

Exclusion criteria

• Are a current habitual wearer of Dailies Total1 Multifocal or ACUVUE OASYS MAX 1-DAY Multifocal;
• Has refractive astigmatism higher than -0.75DC in either eye;
• Are participating in any concurrent clinical or research study involving intervention or invasive ocular tests;
• Have any known active ocular disease and/or infection;
• Has a systemic condition that in the opinion of the investigator may affect a study outcome variable;
• Are using any systemic or topical medications that in the opinion of the investigator may affect a study outcome variable;
• Have known sensitivity to the diagnostic pharmaceuticals to be used in the study;
• Have undergone refractive error surgery;
• Are a member of the Centre for Ocular Research & Education (CORE) directly involved in the study.