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Assessment of Vivity With French Clinical Data Related to the Toric Model Study (VICTOR)

22. august 2022 oppdatert av: Edouard KOCH, Versailles Hospital
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.

Studieoversikt

Status

Har ikke rekruttert ennå

Forhold

Studietype

Observasjonsmessig

Registrering (Forventet)

31

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

18 år og eldre (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Prøvetakingsmetode

Sannsynlighetsprøve

Studiepopulasjon

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.

Beskrivelse

Inclusion Criteria:

  • Patient presenting for a request for cataract surgery in current practice: phacoemulsification followed by classic implantation of an IOL with small incision size (< 2.2mm)
  • Calculated power of IOL is between 10.0 and 30.0 diopters (D) in 0.5D steps to target emmetropia (0.0 +/- 0.5D)
  • Patients with corneal astigmatism > 0.5D and who can receive an implant with a toricity between T2 and T6, i.e. with astigmatism between +0.5D and +2.5D.
  • If both eyes have astigmatism, the eye under study will be the right eye
  • Patient having been informed and not objecting to their participation.

Exclusion Criteria:

  • Pregnancy or breastfeeding while conducting the study
  • Person under the age of 18
  • History of pathologies of the anterior segment of the eye (cornea, anterior chamber, sulcus) or posterior segment of the eye (uvea, vitreous, retina) including retinal vascular occlusions, retinal detachment, peripheral retinal laser photocoagulation, AMD and glaucoma
  • Any inflammation of the anterior or posterior segment, whatever its etiology or history of disease, which may lead to an inflammatory reaction
  • Clinically significant corneal pathology (epithelial, stromal, or endothelial that could affect visual outcome)
  • Clinically significant severe dry eye disease that may affect visual calculations and measurements
  • History of refractive surgery
  • Amblyopia or monofixation syndrome
  • Patient at risk of zonular rupture during the phacoemulsification procedure and may affect the centering or tilt of the implant postoperatively.
  • Irregular astigmatism (corneal topography)
  • Any other planned eye surgery

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Distance corrected intermediate monocular visual acuity
Tidsramme: month 3
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

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
rotational stability
Tidsramme: month 3
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
Tidsramme: months 1 and 3
measure of total residual astigmatism including corneal and internal astigmatism in dioptries
months 1 and 3
monocular distance visual acuity
Tidsramme: months 1 and 3
Corrected (BCDVA) and uncorrected monocular distance visual acuity (UCDVA) for the study eye (at 4 m)
months 1 and 3
monocular near visual acuity
Tidsramme: months 1 and 3
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
Tidsramme: months 1 and 3
Uncorrected intermediate visual acuity monocular (UCIVA) for the eye under study (at 66 cm)
months 1 and 3
binocular uncorrected visual acuity
Tidsramme: months 1 and 3
Binocular uncorrected visual acuity (UCVA) from far to 4 m, intermediate at 66 cm, near at 40 cm.
months 1 and 3
SIA
Tidsramme: month 3
Surgically induced astigmatism (SIA) and comparison between the 2 hospitals participating in the study
month 3
questionnaire IOLSAT
Tidsramme: month 3
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
Tidsramme: month 3
questionnaire for the evaluation of visual disturbances (McAlinden): minimum 0/90 and maximum 90/90 (worse outcome)
month 3

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Forventet)

1. september 2022

Primær fullføring (Forventet)

1. april 2023

Studiet fullført (Forventet)

1. juli 2023

Datoer for studieregistrering

Først innsendt

3. juni 2022

Først innsendt som oppfylte QC-kriteriene

8. juni 2022

Først lagt ut (Faktiske)

13. juni 2022

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

25. august 2022

Siste oppdatering sendt inn som oppfylte QC-kriteriene

22. august 2022

Sist bekreftet

1. august 2022

Mer informasjon

Begreper knyttet til denne studien

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • P21/21 - VICTOR

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