Skip to content

Identification of Errors by a new optical instrument

Refractive accuracy & visual outcomes in eyes using Alcon Argos® Biometer - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2023/10/058767
Enrollment
150
Registered
2023-10-17
Start date
Unknown
Completion date
Unknown
Last updated
2025-07-21

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

Conditions

Health Condition 1: H251- Age-related nuclear cataract Health Condition 2: H264- Secondary cataract Health Condition 3: H269- Unspecified cataract

Interventions

Intervention1: NIL: NIL

Sponsors

Alcon Laboratories India Pvt Ltd
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Patients diagnosed with age related cataract Patients willing to provide consent for study and to come for follow ups as required

Exclusion criteria

Exclusion criteria: i. Patients with prior history of ocular surgery or trauma ii. Patients who underwent complicated cataract surgery or any additional procedures during cataract surgery iii. Patients who had any post-operative complications iv. Patients with any active ocular disease such as Diabetic retinopathy, macular degeneration, glaucoma with field defects and irregular corneal astigmatism v. Patients who is not willing to sign Informed Consent Form for the study

Design outcomes

Primary

MeasureTime frame
The mean absolute error between predicted residual error by Argos® Biometer & post operative spherical equivalent.Timepoint: Screening Day 1 assessment Day 30 assessment

Secondary

MeasureTime frame
Evaluation of the accuracy of Argos® Biometer in estimating the IOL power in long axial length (26 mm or more) eyes & short axial length (22.5 mm or less) eyesTimepoint: Screening Day 1 Assessment Day 30 assessment

Countries

India

Contacts

Public ContactDr Tanvi Haldipurkar Venkatramani

Laxmi Eye Hospital and Institute

tanuh8@gmail.com02227452228

Outcome results

None listed

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