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HOW TAKING BILBERRY AND PINEBARK SUPPLIMENTS AFFECTS THE ABILITY, EYE COORDINATION AND SYMPTOMS OF DIGITAL EYE STRAIN, MEASURED USING A QUESTIONNAIRE.

EFFECT OF BILBERRY AND PINEBARK EXTRACT SUPPLEMENTATION ON ACCOMMODATIVE AND CONVERGENCE PARAMETERS AND DIGITAL EYE STRAIN SYMPTOMS USING DESQ QUESTIONNAIRE - Nil

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2026/05/111368
Enrollment
132
Registered
2026-05-29
Start date
Unknown
Completion date
Unknown
Last updated
2026-06-01

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

Conditions

Health Condition 1: H525- Disorders of accommodation

Interventions

Intervention1: Bilberry and pinbark extract: The subjects will be selecting based on the inclusion and exclusion criteria. After obtaining informed consent from the subjects will be enrolling in the

Sponsors

Nethradhama Super Speciality eye Hospital
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Between 18 to 30years of age Cooperative subjects VDT users usually more than 7 hours Healthy individuals without any systemic disease Subjects without ocular disease

Exclusion criteria

Exclusion criteria: Subjects with high refractive errors Subjects with systemic disease Post refractive surgery patients Allergic to theses supplements Pregnancy and lactating women

Design outcomes

Primary

MeasureTime frame
To assess the effect of Bilberry and Pine bark extract supplementation on accommodative parameters. Timepoint: To assess the effect of Bilberry and Pine bark extract supplementation on accommodative parameters. To evaluate the effect of the supplementation on convergence parameters To determine the changes in digital eye strain symptoms before and after the supplementation using the digital eye strain questionnaire(DESQ)—

Secondary

MeasureTime frame
To evaluate the effect of the supplementation on convergence parameters To determine the changes in digital eye strain symptoms before & after the supplementation using the digital eye strain questionnaire(DESQ) Timepoint: The outcome will be assessed/estimated i.e. at baseline day 0 & 8 weeks after intaking supplements—

Countries

India

Contacts

Public ContactBhavya R

Nethradhama School of Optometry

viceprincipalnso@gmail.com9686830992

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Jun 11, 2026