Evaluation of Physiological Responses at the Anterior Surface of Two (Hydrophobic Acrylic) Intraocular Lens Models

Evaluation of Physiological Responses at the Anterior Surface of Two (Hydrophobic Acrylic) Intraocular Lens Models

On the day of surgery, the the eye with astigmatism of at least 0.75dpt receives a Vivinex XY1A , HOYA Surgical Optics GmbH and the second eye to be operated receives an XY1, HOYA Surgical Optics GmbH.

A complete biomicroscopic examination and visual acuity testing using autorefractometer, will be performed 1 week (7-14days), 6 weeks (30-60days) and 5 month (4-6months) postoperatively.

Inclusion Criteria:

• Bilateral age-related cataract for which phacoemulsification extraction and posterior IOL implantation is planned
• Age 40 and older
• Astigmatism of at least 0.75Diopters in one eye
• Normal findings in medical history and physical examination unless the investigator considers an abnormality to be clinically irrelevant

Exclusion Criteria:

• Diabetes mellitus
• Pseudoexfoliation syndrome
• Systemical anticoagulation
• Antiphlogistic therapy
• Antiglaucomatosa
• Uncontrolled systemic or ocular disease
• Preceding ocular surgery or trauma
• Intraoperative complications
• Pregnancy/Nursing
• Concurrently participating in any other clinical trial or if they have participated in any other clinical trial during the last 30 days