Trial of Hoya SYNC III Design Lenses

Launched by THE INSTITUTE OF OPTOMETRY, LONDON · Feb 4, 2019

Keywords

ClinConnect Summary

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 participants who benefit from SYNC III design lenses;
2. Evaluate whether the wearing of SYNC III design lenses is associated with any changes in binocular and accommodative functions at 6 months of follow-up;
3. Evaluate whether the wearing of lenses with accommodative support may reduce the symptoms of computer vision syndrome at 3 and 6 months of follow-up.

Methods Design The research is a doub...

Gender

ALL

Eligibility criteria

• Inclusion Criteria:
• • 1. Aged between 18 and 40 years;
• • 2. In a typical working day, spends at least 2 hours viewing digital devices (e.g., desktop, laptop, tablet, smart phone);
• • 3. Symptoms associated with the use of digital devices, quantified as a score of six points or more on the CVS-Q questionnaire instrument;1
• • 4. Use of spectacles, at least 6, months previous to the beginning of the study;
• • 5. Refractive error between +6.00 to -8.00 with cyl up to 4.00DC.
• Exclusion Criteria:
• • 1. Previous use of accommodative support lenses
• • 2. Ocular pathology requiring referral to an ophthalmologist
• • 3. Wears contact lenses when using computers
• • 4. Strabismus