Comparison of Visual Outcomes After Implantation of the Synthesis Plus and Synthesis Plus Toric

Inclusion Criteria:

• Patient older than 50 years old

• Patient requiring bilateral cataract surgery

• Regular corneal astigmatism >0.5D measured by MS-39 (SimK keratometry and regularitydetermined by the topography) for patients implanted with SYNTHESIS PLUS TORIC orRegular corneal astigmatism lower or equal to 0.5 D dioptres by MS-39 (SimKkeratometry and regularity determined by the topography) for patients implanted withSYNTHESIS PLUS.

• Expected postoperative astigmatism ≤ 0.75D diopter

• Corneal astigmatism ≤4D

• IOL spherical equivalent power requested between 15D and 25D

• Signed informed consent

• Availability, willingness and sufficient cognitive awareness to comply withexamination procedures

Non inclusion Criteria:

• Patients with a potential postoperative visual acuity of less than 5/10, inparticular due to degenerative visual disorders, poor retinal function or a damagedcornea.

• Amblyopia with a visual acuity potential of less than 5/10

• IOL power needed outside the spherical equivalent diopter range: 15 to 25D

• Difficulty for cooperation (distance from their home, general health condition)

• Acute or chronic disease or illness that would increase risk or confound studyresults (e.g. diabetes mellitus (with retinopathy), immunocompromised, glaucomaetc...)

• Irregular astigmatism

• Subject with postoperative astigmatism, expected > 0.75 D.

• Any ocular comorbidity

• History of ocular trauma or prior ocular surgery including refractive procedures

• Capsule or zonular abnormalities that may affect postoperative centration or tilt ofthe lens (e.g. pseudoexfoliation syndrome, chronic Uveitis, Marfan's syndrome)

• Patients with chronic uveitis

• Pupil abnormalitis (non-reactive, tonic pupils, abnormally shaped pupils or pupilsthat do not dilate under mesopic/scotopic conditions, diameter (pupil>4mm or <2.5 mmin photopic conditions))

• Narrow anterior chambers (ACD ≤ 2.5 mm)

• Any corneal pathology potentially affecting the topography (eg. Keratoconus),

• Monophthalma patients

• Phacodonesis

Exclusion criteria:

• Complicated surgery

• Inability to place the intraocular lens safely at the location planned

• Subjects with zonular laxity

• Postoperative endophthalmitis