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The Clinical Study of Different Intensities of Blue Light-shielding Glasses

The Clinical Study of Different Intensities of Blue Light-shielding Glasses

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1800015120
Enrollment
Unknown
Registered
2018-03-08
Start date
2018-03-08
Completion date
Unknown
Last updated
2018-03-12

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

Conditions

visual function

Interventions

control group:naked eyes
Group 1:20% blue light shielding rate
Group 2:30% blue light shielding rate
Group 3:40% blue light shielding rate
Group 4:60% blue light shielding rate

Sponsors

Tongji Hospital Affiliated with Tongji University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: The inclusion criteria were emmetropia (astigmatism lower than -0.75 D, the uncorrected distance visual acuity higher than 0.0 logMAR and the near visual acuity higher than J7) with no glasses in daily life, normal color vision, long-term use of electronic equipment based on LED light source, absence in other clinical experiments in 2 weeks and not using blue light-shielding products in 6 weeks.

Exclusion criteria

Exclusion criteria: The ones with amblyopia, cataract, keratopathy, retinopathy, history of intraocular surgery, hypertension, diabetes, cardiopulmonary or renal dysfunction were excluded.

Design outcomes

Primary

MeasureTime frame
color vision;ocular accommodation;asthenopia;—

Countries

China

Contacts

Public ContactBi Yanlong

Tongji Hospital Affiliated with Tongji University School of Medicine

biyanlong@tongji.edu.cn+86 13816261568

Outcome results

None listed

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