Status:
COMPLETED
Trial of Hoya SYNC III Design Lenses
Lead Sponsor:
The Institute of Optometry, London
Collaborating Sponsors:
University of Alicante
Conditions:
Computer Vision Syndrome
Eligibility:
All Genders
18-40 years
Phase:
NA
Brief Summary
Many people using computers or digital devices (e.g., smartphones or tablets) experience eyestrain and this has been called Computer Vision Syndrome (CVS) or Digital Eye Strain. Spectacle lens manufac...
Detailed Description
Background Aims The aims of the research are to use a parallel group randomised controlled trial to: 1. Evaluate whether binocular vision and accommodative functions at baseline can predict any part...
Eligibility Criteria
Inclusion
- Aged between 18 and 40 years;
- In a typical working day, spends at least 2 hours viewing digital devices (e.g., desktop, laptop, tablet, smart phone);
- Symptoms associated with the use of digital devices, quantified as a score of six points or more on the CVS-Q questionnaire instrument;1
- Use of spectacles, at least 6, months previous to the beginning of the study;
- Refractive error between +6.00 to -8.00 with cyl up to 4.00DC.
Exclusion
- Previous use of accommodative support lenses
- Ocular pathology requiring referral to an ophthalmologist
- Wears contact lenses when using computers
- Strabismus
Key Trial Info
Start Date :
January 7 2019
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
June 30 2020
Estimated Enrollment :
90 Patients enrolled
Trial Details
Trial ID
NCT03831919
Start Date
January 7 2019
End Date
June 30 2020
Last Update
July 30 2020
Active Locations (2)
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1
University of Alicante
Alicante, Spain, 03080
2
Institute of Optometry
London, United Kingdom, SE1 6DS