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Contrast sensitivity evaluation using different glare levels

Method optimization for evaluating contrast sensitivity using different glare levels

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ISRCTN
Registry ID
ISRCTN17860990
Enrollment
40
Registered
2025-11-26
Start date
2025-11-21
Completion date
Unknown
Last updated
2025-12-08

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

Conditions

Glare produced by intraocular lenses Eye Diseases

Interventions

Up to 50 potential participants will attend the research clinic for their first visit to initially obtain their informed consent and to screen them for their suitability to take part in the investigat

Sponsors

Ocular Technology Group Ltd
Lead Sponsor

Eligibility

Sex/Gender
All
Age
45 Years to 55 Years

Inclusion criteria

Inclusion criteria: 1. Age 45 to 55 years 2. Spectacle refraction: Distance: Sphere: -4.00D to + 2.00D Astigmatism: 0.00D to -0.75 3. Best corrected distance visual acuity of at least 20/20 in each eye 4. Clear media 5. No ocular comorbidity

Exclusion criteria

Exclusion criteria: 1. Any history of eye disease, injury or abnormality that affects any part of the eye that affects vision 2. Any active eye disease that affects any part of the eye that affects vision 3. Corneal hypoesthesia (reduced corneal sensitivity), if not aphakic 4. Newly prescribed (within the past 30 days) use of some systemic medications (such as antihistamines, decongestants, diuretics, muscle relaxants, tranquilizers, stimulants, anti-depressants, anti-psychotics, oral contraceptives) or ocular medication that may affect vision and its stability as determined by the investigator. 5. Enrolment of the family members of the investigator, family members of the investigator’s staff, or individuals living in the households of these individuals.

Countries

England, United Kingdom

Contacts

Public ContactDeborah Moore
dmoore@otg.co.uk+44 (0)2072224224

Outcome results

None listed

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