Clinical Evaluation of Hydrogels vs Silicone Hydrogel Contact Lenses

Completed · Not applicable

Conditions studied: Myopia

In brief

The aim of this fitting study is to evaluate the clinical performance of different hydrogel and silicone hydrogel contact lenses.

Key facts

Study ID

NCT01966770

Run by

CooperVision, Inc.

People needed

20

Starts

2013-10-01

Expected to finish

2013-11-01

Last updated by the study team

2020-07-30

Who can join

Age: 18 and older, up to 40. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• A person is eligible for inclusion in the study if he/she:
• Is between 18 and 40 years of age (inclusive)
• Has had a self-reported visual exam in the last two years
• Is an adapted soft contact lens wearer
• Has a cl spherical prescription between -1.00 and -6.00 (inclusive)
• Has a spectacle cylinder up to 0.75D (diopter) in each eye
• Is correctable to a visual acuity of 20/25 or better in both eyes
• Has clear corneas and no active ocular disease
• Has read, understood and signed the information consent letter
• Is willing to comply with the wear schedule
• Is willing to comply with the visit schedule

You may not qualify if…

• A person will be excluded from the study if he/she:
• Has never worn contact lenses before
• Currently wears rigid gas permeable contact lenses
• Has a history of not achieving comfortable contact lens wear (5 days per week; > 8 hours/day)
• Has a contact lens prescription outside the range of -1.00 to -6.00D
• Has a spectacle cylinder ≥ 1.00D of cylinder in either eye
• Has best corrected spectacle distance vision worse than 20/25 in either eye
• Has any systemic or topical medications that will affect ocular health
• Has any ocular pathology or severe insufficiency of lacrimal secretion
• Has persistent, clinically significant corneal or conjunctival staining
• Has active neovascularization or any central corneal scars
• Is aphakic
• Is presbyopic
• Has undergone corneal refractive surgery
• Is participating in any other type of eye related conical or research study

Where it is running

• University of California, Berkeley Clinical Research Center (UCB-CRC) — Berkeley, California, United States

Full record on ClinicalTrials.gov

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