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

• 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