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A Comparative Study of Visual Outcome of Two Extended Depth of Focus Intraocular Lenses After Cataract Surgery

Egypt40 participantsStarted 2022-01-01

Plain-language summary

The investigators aim to compare the visual performance of the most recently introduced extended depth of focus intraocular lenses ; AcrySofTM IQ VivityTM and TECNIS SynergyTM ( an extended depth of focus IOL ) regarding the range of vision (using defocus curve ) , contrast sensitivity( through the modulation transfer function curves ) and their effect on ocular aberrations as the ivestigators believe that proper study of these aspects could influence the investigators choice and guidance to the cataract patient about the most suitable presbyopia correcting IOL .

Who can participate

Age range

40 Years – 80 Years

Sex

ALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Patients undergoing cataract surgery. * Preoperative corneal astigmatism equal to or less than 0.75 D Exclusion Criteria: * Other ocular comorbidities which may affect the outcome of our research such as glaucoma, corneal opacities , chronic or recurrent anterior uveitis, diabetic retinopathy , age -related macular degeneration. * Previous ocular surgeries

Questions worth asking your doctor

Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.

1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?

Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.

Questions for the trial coordinator

The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.

1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?

A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.

What they're measuring

Range of vision of the different IOLs represented by the defocus curve

Timeframe: within 1 month after surgery

Trial details

NCT IDNCT05647421

SponsorCairo University

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2023-03

Contact for this trial

alaa mohamed badawy, MSC

01008858267 alaabadawy93@gmail.com

View on ClinicalTrials.gov More Visual To Compare the Visual Outcome Between AcrySof™ IQ Vivity™ and TECNIS Synergy™ Intraocular Lens (Model ZFR00V ) trials