AMO's Tecnis™ Multifocal Intraocular Lenses (Tecnis MF), Alcon's ReStor Multifocal IOL

Inclusion Criteria:

• Age 18 or greater
• Bilateral condition (cataracts or Presbyopia) for which phacoemulsification and posterior IOL implantation has been planned for both eyes
• Visual potential of 20/25 or better in each eye after cataract removal and IOL implantation
• Clear intraocular media other than cataract
• Normal OCT of the macula
• No evidence of Keratoconus or significant irregular astigmatism on Preoperative topography
• No evidence of Epithelial Basement Membrane Dystrophy on Slit lamp Exam
• Availability, willingness, and sufficient cognitive awareness to comply with examination procedures

Exclusion Criteria:

• Use of systemic or ocular medications that may affect vision
• Uncontrolled systemic or ocular disease
• History of ocular trauma
• History of intraocular, extraocular Muscle, or corneal surgery (including laser vision correction)
• Amblyopia or strabismus
• Known pathology that may affect visual acuity; particularly retinal changes that affect vision (macular degeneration, cystoid macular edema, proliferative diabetic retinopathy, etc.)
• Diagnosed degenerative visual disorders (e.g. macular degeneration, or other retinal disorders) that are predicted to cause future acuity losses to a level of 20/25 or worse
• Subjects who may be expected to require retinal laser treatment or other surgical intervention (i.e patients with diabetic retinopathy)
• Capsule or zonular abnormalities that may affect postoperative centration or tilt of the lens (e.g. pseudoexfoliation syndrome)
• Contact lens usage within 2 months for PMMA contacts lenses, 2 weeks for gas permeable lenses or 3 days for extended-wear and daily-wear soft contact lenses