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Pupil response under blue light and blue blocking spectacle lenses.

Quantifying dynamic pupillary responses to different wavelengths of light with and without Blue-Blocking Lenses - a pilot study.

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2021/07/035301
Enrollment
15
Registered
2021-07-30
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

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

Conditions

None listed

Interventions

Intervention1: Blue blocking lenses: Blue blocking lenses will be placed in front of the eye to study the dynamic pupillary response Control Intervention1: NIL: NIL

Sponsors

Manipal Academy of Higher Education MAHE
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Male an female, age between 18 to 35

Exclusion criteria

Exclusion criteria: subjects with systemic disease Subjects who undergoing antipsychotic medication Any ocular trauma or who under medications.

Design outcomes

Primary

MeasureTime frame
1. Pupillary reaction speed (mm/sec, millimeter/second) 2. Sustainability time (ms, milliseconds) 3. Redilation speed & time (ms, milliseconds) 4. Time to reach the baseline value will be measuredTimepoint: At the end of the study

Secondary

MeasureTime frame
NilTimepoint: NA

Countries

India

Contacts

Public ContactDr Shonraj Ballae Ganeshrao MPhil PhD

Manipal Academy of Higher Education

shonraj.bg@manipal.edu8886738267

Outcome results

None listed

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