Connecting Contact Lenses and Digital Technology

Completed · Not applicable

Conditions studied: Asthenopia, Contact Lenses, Ocular Accommodation, Convergence, Excess

In brief

This study seeks to address whether or not different types of daily disposable soft contact lenses may be a beneficial option for patients complaining of eye strain and visual discomfort while using digital devices.

Key facts

Study ID

NCT02921087

Run by

State University of New York College of Optometry

People needed

23

Starts

2017-01-01

Expected to finish

2017-11-20

Last updated by the study team

2019-09-11

Who can join

Age: 18 and older, up to 35. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• 18 to 35 years of age
• Spectacle prescription of -0.75 to -6.00 D sphere with no more than 0.75 diopters of refractive cylinder
• Current single-vision soft contact lens wearer
• Monocular acuity of 20/25 or better in each eye (Snellen)
• Self-reported minimum of 6 hours a day on digital devices
• Self-reported complaint of eyestrain on digital devices
• No ocular pathology and/or history of eye surgery
• No history of strabismus or strabismus surgery
• No gas permeable lens wear for at least 3 months
• Subjects may not be optometrists, opticians or optometry students

You may not qualify if…

• Corneal staining, blepharitis and/or Meibomian Gland Dysfunction (MGD) worse than Grade 2 using the Efron Grading Scale
• Negative Relative Accommodation (NRA) less than +1.50 D
• Exophoria at near > 6 prism diopters10
• Vertical phoria > 1 prism diopter
• Presence of tropia
• Response of 3 or higher on question 2b of the Contact Lens Dry Eye Questionnaire- 8 (CLDEQ-8)
• Unacceptable contact lens fit (i.e. substantially decentered, excessive movement)

Where it is running

• SUNY College of Optometry — New York, New York, United States

Full record on ClinicalTrials.gov

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