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Measurement of accommodation and vergence in different types of myopia

Comparison of accommodation and vergence parameters in early and late-onset myopia - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2023/08/056366
Enrollment
60
Registered
2023-08-10
Start date
Unknown
Completion date
Unknown
Last updated
2023-08-21

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

Conditions

Health Condition 1: H521- Myopia

Interventions

Intervention1: NIL: NIL

Sponsors

Shravya
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Early and late-onset myopes Early onset myopes: Individuals who had their first glass or contact lens prescription before the age of 15 years. Late onset myopes: Individuals who had their first glass or contact lens prescription at 15 year of age or older. Mild to moderate myopia (-0.50D to -6.00D) Astigmatism

Exclusion criteria

Exclusion criteria: High myopia ( > -6.00 D) Astigmatism > -1.50 D Subjects already diagnosed with binocular vision anomalies Anisometropia Strabismus Other ocular anomalies Individuals using medication that effect accommodation

Design outcomes

Primary

MeasureTime frame
Accommodation: Accommodation amplitude, accommodative facility, accommodative response Vergence: Near point of convergence, vergence facility, positive & negative fusional vergence Timepoint: All the outcomes will be measured on the same day (There is no follow up)—

Secondary

MeasureTime frame
Not applicableTimepoint: Not applicable—

Countries

India

Contacts

Public ContactShravya

Manipal College of Health Professions

dhavamathi.j@manipal.edu9176654452

Outcome results

None listed

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