Visual Outcome, Cylinder Correction and Patient Satisfaction After Implantation of AT LISA Tri Toric 939MP Intraocular Lenses

Inclusion Criteria: * Patient informed of the consequences and constraints of the protocol and who has given his/her written informed consent * Man or woman, over 50 years of age * Healthy eyes with bilateral cataract requiring surgical treatment for both eyes * Bilateral regular corneal astigmatism (confirmed by topography measurement) * Only patients requiring intraocular lenses of a power comprised between sphere +0.0 and +28.0 dioptres and between a cylindrical range of +1.0 to +4.0D in both eyes will be able to participate in the trial. * Biometry measurement/cataract density compatible with the IOLMaster evaluation * Bilateral uncomplicated cataract surgery and implantation into capsular bag by injector * Assured follow-up examinations Exclusion Criteria: * Patients unable to meet the limitations of the protocol or likely of non cooperation during the trial, * Patients whose freedom is impaired by administrative or legal order, * Monophtalmic patient. * Previous ocular surgery, including corneal/refractive surgery, * Chronic or recurrent uveitis, * Acute ocular disease or external/internal infection, * Any kind of macular degeneration and impairment of retina (clinical diagnosis/OCT examination) * Diabetes with retinal changes, * Pseudoexfoliation syndrome * Pathologic myosis * Irregular astigmatism, especially keratoconus, * Endothelial corneal dystrophy * Glaucoma or IOP higher than 21mmHg under ocular hypertension treatment * Aniridia * Pseudophakia * Cornea guttata; keratoplasty * Amotio operation; anamnesis with vitreous surgery * Amblyopia * Intraocular tumours; endotamponade * Phlogistic intraocular processes or other pre-existing processes that permanently limit the best corrected visual acuity to \> 0.3 logMAR * Any other pathology or condition presenting, according to the investigator opinion, a risk for the patient * Pupil diameter over 6 mm in mesopic condition * Corneal opacity