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Do blue-blocking lenses block blue colour from our lives? A randomised controlled study measuring colour vision using the gold standard colour vision test (an anomaloscope) in patients with blue filtering intraocular lenses (tinted yellow)

Do blue-blocking lenses block blue colour from our lives? A randomised controlled study measuring colour vision using the gold standard colour vision test (an anomaloscope) in patients with blue filtering intraocular lenses (tinted yellow)

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN21290113
Enrollment
40
Registered
2007-09-28
Start date
2006-10-01
Completion date
Unknown
Last updated
2020-01-06

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

Conditions

Eye Diseases: Visual sense Eye Diseases Visual sense

Interventions

Blue light filtering lens implant in one eye vs non-tinted implant in the other eye. A paired t-test will be used to analyse the results.

Sponsors

Record Provided by the NHSTCT Register - 2007 Update - Department of Health (UK)
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Not provided at time of registration

Exclusion criteria

Exclusion criteria: Not provided at time of registration

Design outcomes

Primary

MeasureTime frame
Not provided at time of registration—

Secondary

MeasureTime frame
Not provided at time of registration—

Countries

United Kingdom

Outcome results

None listed

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