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Comparison of two different tests assessing convergence and accommodation among young adults, Bengaluru.

Comparison of Near point of Accommodation and Near point of Convergent with Positive fusional vergence

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2022/04/041756
Enrollment
1300
Registered
2022-04-08
Start date
Unknown
Completion date
Unknown
Last updated
2022-05-02

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

Conditions

None listed

Interventions

None listed

Sponsors

Sankara Eye Hospital
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: BCVA : Distance >= 0.0 LogMAR & Near >= N6. Patients who have undergone binocular vision assessment in vision therapy clinic from the years of 2016 to 2020.

Exclusion criteria

Exclusion criteria: History of ocular surgery or pathology. Post operative complications. Active ocular infection. One eyed subjects/ Amblyopic subjects. Aphakic/Pseudophakic subjects. Incomplete patient data. Suppression/ Diplopia. Strabismus.

Design outcomes

Primary

MeasureTime frame
Accommodation and vergence parameters like NPA, NPC, and PFV will be recordedTimepoint: NPA, NPC, PFV will be recorded simultaneously only once as the baseline from the records—

Secondary

MeasureTime frame
A comparison of NPA and PFV (blur) and a comparison of NPC and PFV (break) will be assessedTimepoint: The parameters will be assessed and compared simultaneously only once as the baseline—

Countries

India

Contacts

Public ContactDiwakar Rao

Sankara Eye Hospital

dot_diwakar@yahoo.co.in9972015862

Outcome results

None listed

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