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Presbyopia-correcting implant (PC-IOL): AcrySof IQ Vivity (Alcon) has been evaluated in 2 large pivotal trials (US and OUS trials). These tests showed that this PC-IOL restored intermediate visual acuity (IVA) and near visual acuity (NV A) superior to that of the reference monofocal AcrySof implant. In these tests, it was demonstrated that distance visual acuity (DVA) was non-inferior. However, the intermediate visual acuity for this implant in its toric version has not been evaluated.
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| Measure | Description | Time Frame |
|---|---|---|
| Distance corrected intermediate monocular visual acuity | Intermediate monocular visual acuity (at 66 cm) corrected for distance vision (DCIVA) for the eye under study in photopic condition (normal lighting) 3 months after implantation of the 2nd eye | month 3 |
| Measure | Description | Time Frame |
|---|---|---|
| rotational stability | Rotational stability of the IOL in the eye under study expressed in degree of rotation at 3 months compared with that collected just after surgery in the operating room | month 3 |
| residual astigmatism |
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Inclusion Criteria:
Exclusion Criteria:
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Patients will be selected from among patients who come for consultation for cataract surgery. During the inclusion visit, the doctor will inform the patients eligible for the study, and answer all their questions about the objective, the constraints, the foreseeable risks and the expected benefits of the study. Without opposition from the patient, the doctor will perform the cataract surgery and the data will be collected on D0, M1 and M3.
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| ID | Term |
|---|---|
| D002386 | Cataract |
| ID | Term |
|---|---|
| D007905 | Lens Diseases |
| D005128 | Eye Diseases |
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measure of total residual astigmatism including corneal and internal astigmatism in dioptries
| months 1 and 3 |
| monocular distance visual acuity | Corrected (BCDVA) and uncorrected monocular distance visual acuity (UCDVA) for the study eye (at 4 m) | months 1 and 3 |
| monocular near visual acuity | Corrected (DCNVA) and uncorrected monocular (UCNVA) near visual acuity for the study eye (at 40 cm) | months 1 and 3 |
| monocular uncorrected intermediate visual acuity | Uncorrected intermediate visual acuity monocular (UCIVA) for the eye under study (at 66 cm) | months 1 and 3 |
| binocular uncorrected visual acuity | Binocular uncorrected visual acuity (UCVA) from far to 4 m, intermediate at 66 cm, near at 40 cm. | months 1 and 3 |
| SIA | Surgically induced astigmatism (SIA) and comparison between the 2 hospitals participating in the study | month 3 |
| questionnaire IOLSAT | questionnaire for addiction to glasses for intermediate vision and near vision (IOLSAT) : minimum 0% (no glasses needed, best outcome), to maximum 100% (glasses needed, worse outcome) | month 3 |
| McAlinden questionnaire | questionnaire for the evaluation of visual disturbances (McAlinden): minimum 0/90 and maximum 90/90 (worse outcome) | month 3 |