Comparative analysis of quality of vision at near, intermediate and far distance between trifocal IOLs, EDOF IOLs and presbyond laser surgery : A Prospective Study

Comparative analysis of defocus curves and quality of vision between trifocal IOLs, EDOF IOLs with minimonovision and presbyond : A Prospective Study - Defocus curve study

Status

Active, not recruiting

Phases

Phase 3Phase 4

Study type

Interventional

Source

CTRI

Registry ID

CTRI/2025/04/084970

Enrollment

Registered

2025-04-16

Start date

Unknown

Completion date

Unknown

Last updated

2025-04-28

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

Conditions

Health Condition 1: O- Medical and Surgical

Interventions

Intervention1: Cataract surgery using trifocal IOL, EDOF IOL and Presbyond surgery: Comparing defocus curves following cataract surgery using trifocal IOL, EDOF IOL and Presbyond surgery Intervention2

Eligibility

Inclusion criteria

Inclusion criteria: For IOL Groups Inclusion criteria- 1.Eyes with senile cataract of grades 1-4 Nuclear Sclerosis, Cortical cataracts, Posterior sub-capsular cataract 2.IOL power between +10D to +30D 3.In the bag IOL implantation For Presbyond Group: Inclusion criteria: 1.Spherical dioptre -8 - +4 D 2.Best spectacle-corrected visual acuity (BSCVA) of 6/6 or better in both eyes 3.No evidence of irregular astigmatism on corneal topography in both eyes 4.Residual stromal bed thickness (RSBT) 280 m or more 5.Patients who passed tolerance test

Exclusion criteria

Exclusion criteria: IOL GROUP- Hypermature/morgagnian/intumescent and brunescent cataracts NS 4, Corneal disorders like- irregular astigmatism, keratoconus, pellucid marginal degeneration, corneal dystrophy, low endothelial cell counts 1500cells/ mm2, Pupillary abnormalities, History of glaucoma or intraocular inflammation, Macular disease or retinopathy, neuro-ophthalmic diseases, active infections, previous ocular surgery of any kind, any other ocular pathology, Intraoperative complications. For Presbyond group- Kerato-ectatic conditions such as keratoconus, keratoconus suspects, pellucid marginal degeneration etc, DLS, Patients who have undergone any refractive procedure previously, Amblyopia, History of ocular surgery, severe dry eye, corneal degeneration, corneal dystrophy, cataract, uveitis, retinal pathology, Immunocompromised state

Design outcomes

Primary

Measure	Time frame
To evaluate and compare the binocular defocus curve profile of all 3 groupsTimepoint: To evaluate and compare the binocular defocus curve profile of all 3 groups	—

Secondary

Measure	Time frame
Assessing spectacle independence, quality of vision & patient satisfaction.Timepoint: assessment on post operative day 1, 2 weeks & 3 months	—

Countries

India

Contacts

Public ContactCHIRAG CHHEDA

Nethradhama Superspeciality Eye Hospital

chiragchheda1995@gmail.com8369215065

Outcome results

None listed

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