Vision Disorders Clinical Trial
Official title:
Efficacy of Coloured Overlays and Lenses for Adults With Reading Difficulty
NCT number | NCT02680223 |
Other study ID # | BA_2015 |
Secondary ID | |
Status | Completed |
Phase | N/A |
First received | |
Last updated | |
Start date | January 2016 |
Est. completion date | December 2019 |
Verified date | August 2019 |
Source | City, University of London |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This is a randomised controlled trial with the aim of testing the efficacy of coloured overlays and coloured lenses for the relief of visual stress and reading difficulties in children and young adults.
Status | Completed |
Enrollment | 40 |
Est. completion date | December 2019 |
Est. primary completion date | December 2019 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 8 Years to 100 Years |
Eligibility |
Inclusion Criteria: - Individuals with visual stress or reading disability aged 8 years and over. Exclusion Criteria: - Ocular or systemic disease - Intellectual disability |
Country | Name | City | State |
---|---|---|---|
United Kingdom | City University London | London |
Lead Sponsor | Collaborator |
---|---|
City, University of London |
United Kingdom,
Allen PM, Dedi S, Kumar D, Patel T, Aloo M, Wilkins AJ. Accommodation, pattern glare, and coloured overlays. Perception. 2012;41(12):1458-67. — View Citation
Bouldoukian J, Wilkins AJ, Evans BJ. Randomised controlled trial of the effect of coloured overlays on the rate of reading of people with specific learning difficulties. Ophthalmic Physiol Opt. 2002 Jan;22(1):55-60. — View Citation
Creavin AL, Lingam R, Steer C, Williams C. Ophthalmic abnormalities and reading impairment. Pediatrics. 2015 Jun;135(6):1057-65. doi: 10.1542/peds.2014-3622. — View Citation
Evans BJ, Stevenson SJ. The Pattern Glare Test: a review and determination of normative values. Ophthalmic Physiol Opt. 2008 Jul;28(4):295-309. doi: 10.1111/j.1475-1313.2008.00578.x. — View Citation
Monger L, Wilkins A, Allen P. Identifying visual stress during a routine eye examination. J Optom. 2015 Apr-Jun;8(2):140-5. doi: 10.1016/j.optom.2014.10.001. Epub 2014 Nov 11. — View Citation
Wilkins AJ, Evans BJ, Brown JA, Busby AE, Wingfield AE, Jeanes RJ, Bald J. Double-masked placebo-controlled trial of precision spectral filters in children who use coloured overlays. Ophthalmic Physiol Opt. 1994 Oct;14(4):365-70. — View Citation
Wilkins AJ, Jeanes RJ, Pumfrey PD, Laskier M. Rate of Reading Test: its reliability, and its validity in the assessment of the effects of coloured overlays. Ophthalmic Physiol Opt. 1996 Nov;16(6):491-7. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Rate of reading | Wilkins rate of reading test | 3 months |
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