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Reading Performance of Different Multifocal Lenses in Various Light and Contrast Conditions after Cataract Surgery

Comparison of Reading Performance following Implantation of Extended Depth Of Focus, a Bifocal and a Trifocal MFIOLs in Different Light and Contrast ConditionsÂ

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2021/07/035247
Enrollment
90
Registered
2021-07-29
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

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

Conditions

None listed

Interventions

Intervention1: CATARACT SURGERY: PHACOEMULSIFICATION FOLLOWED BY MFIOL IMPLANTATION Control Intervention1: BIFOCAL MFIOL: 1. Bifocal MFIOLs: Models including TECNIS® Multifocal (Johnson & Johnson Sur

Sponsors

NETHRADHAMA RESEARCH FOUNDATION
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1. Patients with cataract or presbyopia/pre-presbyopia who did not want to wear reading glasses aged over 40 years undergoing phacoemulsification with bilateral MFIOL implantation using either of of the following MFIOL/Toric MFIOL technologies: Bifocal/Trifocal/EDOF 2. Patients fluent in reading English language 3. Willingness to participate in follow up studies

Exclusion criteria

Exclusion criteria: 1. Patients with unilateral MFIOL implantation 2. Patients with previous refractive surgery 3. Coexisting pathology, such as amblyopia, keratoconus, corneal endothelial dystrophy, chronic or recurrent uveitis 4. Acute ocular disease or external/internal infection 5. Diabetes mellitus with retinal changes, glaucoma and choroidal hemorrhage will be excluded

Design outcomes

Primary

MeasureTime frame
Corrected Reading acuity and reading speeds using Salzburg Reading Desk (SRD)Timepoint: 6 WEEKS POST OPERATIVE—

Secondary

MeasureTime frame
HIGHER ORDER ABERRATIONTimepoint: 6 WEEKS POST OPERATIVE—

Countries

India

Contacts

Public ContactDr Siddharth Duggal

Nethradhama Super Speciality Hospital, Bengaluru

sidduggal92@gmail.com09592036215

Outcome results

None listed

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