The Comparison of Cataract Lasers Using the Optimedica Catalys Laser and the Alcon LenSx Laser.

Inclusion Criteria: * Have grade 2 to 4 nuclear sclerotic and or cortical or posterior subcapsular cataracts with visual impairment. * Pupillary dilation of at least 6.0 mm * Axial length between 21 mm to 26 mm * Age ≥ 22 years of either gender * Require laser assisted corneal incisions, capsulotomy and nucleus segmentation * Understand and sign a written Informed Consent form * Be able to comply with the treatment and follow-up schedule Exclusion Criteria: * Enrolment in another drug or device study within the prior 3 months * History of ocular trauma * Acute or chronic disease or illness that would increase risk or confound study results (e.g., uncontrolled diabetes mellitus, immunocompromised, etc.) * Uncontrolled systemic or ocular disease * Corneal abnormalities (e.g., stromal, epithelial or endothelial dystrophies, severe corneal opacities, significant corneal edema, etc) * Diminished aqueous clarity that obscures OCT imaging of the anterior lens capsule * Corneal ring and/or inlay implant(s) * Pseudoexfoliation * Known steroid IOP responder or ocular hypertension IOP \>25 mmHg by tonometry * Retinal detachment within the last 6 months * Anterior chamber depth less than 2.5 mm