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Evaluation of visual function after implantation of Impress intraocular lens

Evaluation of visual function after implantation of Impress intraocular lens

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT1072240010
Enrollment
25
Registered
2024-04-27
Start date
2024-03-02
Completion date
Unknown
Last updated
2025-07-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cataract Cataract

Interventions

A group: Implantation of HOYA Vivinex iSert XY 1-EM IOL B group: Implantation of HOYA Vivinex iSert XY1-XY1 IOL

Sponsors

Mori Yosai
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1)Patients with cataracts 2)Patients with corneal astigmatism not exceeding 1.0D 3)Patients with axial length between 22 and 26mm 4)Patients desiring binocular emmetropia 5)Patients signed the informed consent form 6)Patients scheduled for second eye cataract surgery within 30 days after first eye cataract surgery

Exclusion criteria

Exclusion criteria: 1)Patients with or suspected to have disease affecting visual acuity except for cataract at the time of preoperative examination in the study eye 2)Patients who are regarded as unsuitable for this study by the investigator 3)Patients expressed refusal to participate in this study 4)Patients who do not meet the foregoing inclusion criteria 5) Patients in whom intraoperative complications affecting visual acuity have occurred, except for the preoperative exclusion criteria mentioned above

Design outcomes

Primary

MeasureTime frame
Uncorrected/ corrected all-distance visual acuity at 3 months after surgery (binocular visual acuity)

Secondary

MeasureTime frame
1) Uncorrected/ corrected all-distance visual acuity at 3 months after surgery (monocular visual acuity) 2) Contrast sensitivity at 3 months after surgery 3) Evaluation of QOV (questionnaire) 4) Prescription rate of glasses 5) Incidence of surface scattering

Contacts

Public ContactAkiko Yagi

Miyata Eye Hospital

officeplusi2012@mbr.nifty.com+81-986-22-1441

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Feb 4, 2026