Contact lens wearers ages 18-40 (study name: Basil)

What are we trying to learn?

This study will evaluate the performance of two soft contact lens (CL) types for contact lens wearers who use digital devices for large portions of the day. For the purpose of this study, “digital devices” refers to computers, tablets, smartphones etc.

Time Commitment

If eligible, you would be asked to wear contact lenses provided by us and attend a total of 9 visits over approximately 2.5 months.

  • Visit 1 – Screening visit to determine eligibility – 2.0 hours
  • Visit 2 – We provide you with the first contact lens (Type 1) – 1.0 hours
  • Visit 3 – Follow-up, Day 1 wearing CL Type 1 – 1.5 hours
  • Visit 4 – Follow-up, Day 14 wearing CL Type 1 – 1.5 hours
  • Visit 5 – Follow-up, Day 28 wearing CL Type 1 – 1.5 hours
  • Visit 6 – We provide you with the second contact lens (Type 2) – 1.0 hours
  • Visit 7 – Follow-up, Day 1 wearing CL Type 2 – 1.5 hours
  • Visit 8 – Follow-up, Day 14 wearing CL Type 2 – 1.5 hours
  • Visit 9 – Follow-up, Day 28 wearing CL Type 2 – 1.5 hours

Total time commitment – 13 hours.

What are the requirements?

To be eligible, you must meet the following criteria:

  • Be 18-40 years old;
  • Wear soft contact lenses for at least 5 days/week and 8 hours/day; Note: We are not looking for people who wear bifocal or multifocal contact lenses, toric lenses (for astigmatism), extended (overnight) wear or monovision lenses;
  • Use digital devices (computer, tablet, smartphone, etc.) for at least 8 hours over the course of a typical day;
  • Have a contact lens prescription that ranges from -0.50D to -8.00D;
  • Own a pair of wearable spectacles.

To learn more or register

Send us an email to cclrstudies@uwaterloo.ca or call 519-888-4742 and we’ll be happy to help you register and answer any questions.

Compensation

Time Commitment

Start Date

End Date

$260 13 hours April 2017 Ongoing