Hoya study compares vision after lens surgery
NCT ID NCT07595432
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at how well people see after getting Hoya artificial lens implants during cataract surgery. Researchers will compare vision sharpness at different distances between two groups of patients. The goal is to see if one group's vision is as good as the other's. About 140 people who already have these lenses will take part.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 140 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2026
- Expected to finish
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Nov 2026
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
The study population includes subjects who have previously undergone intraocular lens implantation in prior studies. Subjects must have clear intraocular media, good visual acuity, and be able to provide informed consent and complete study procedures. For the exploratory sub-study, a subset of subjects with eyes from multiple prior IOL studies will be included, excluding those with oblique residual astigmatism.
- Ages
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21 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: Main study: 1. Previously implanted with intraocular lens through 2 previous IOL studies; 2. Clear intraocular media with no clinically significant opacity, in the investigator's judgment, that would affect visual acuity; 3. Able to provide informed consent and complete all required study procedures. Exploratory sub-study: 1\. Additional inclusion criteria: Pseudophakic eyes implanted with one of the IOLs in one eye from 3 previous IOL studies Exclusion Criteria: Main study: 1. Corrected distance visual acuity (CDVA) worse than 0.2 logMAR (or 20/32 Snellen) 2. Subjects with ongoing medical conditions or treatment that might impact outcomes during the study visit as determined by the investigator. Exploratory sub-study: 1\. Additional exclusion criteria: Pseudophakic eyes with oblique residual astigmatism.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Peregrine Eye Laser Institute
RECRUITINGManila, Philippines
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