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A Dispensing Comparison of a Test Daily 1 Day Lens Against a Control 1 Day Lens.

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CooperVision

Status

Completed

Conditions

Myopia

Treatments

Device: Test lens
Device: Control lens

Study type

Interventional

Funder types

Industry

Identifiers

NCT03951610
CV-19-01

Details and patient eligibility

About

The purpose of this study is to compare the dispensing performance of somofilcon A test 1 day contact lens against somofilcon A control 1 day contact lens.

Full description

The purpose of this study is to evaluate the clinical performance of a silicone-hydrogel test contact lens compared to the commercially available silicone-hydrogel (control) contact lens when worn over one week for each lens type in a randomized, bilateral, cross-over, dispensing study on a daily disposable basis.

Enrollment

52 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Has had a self-reported oculo-visual examination in the last two years.
  • Is at least 18 years of age and has full legal capacity to volunteer.
  • Has read and understood the information consent letter.
  • Is willing and able to follow instructions and maintain the appointment schedule.
  • Is correctable to a visual acuity of 20/40 or better (in each eye) with their habitual vision correction or 20/20 best-corrected.
  • Currently wears soft contact lenses (average wearing of 8 hours/day and 5 days/week) without the need of using rewetting drops
  • Requires spectacle lens spherical powers between -1.00 to -5.75 diopters sphere (0.25D steps).
  • Has no more than 0.75 diopters of refractive astigmatism.
  • Has clear corneas and no active ocular disease.
  • Has not worn lenses for at least 12 hours before the examination.
  • Has a usable pair of spectacle lenses if required for transportation to the site for the initial visit

Exclusion criteria

  • Is presently participating in any other clinical or research study including eye related clinical or research study.
  • Has never worn contact lenses before.
  • Has any systemic disease affecting ocular health.
  • Has any active ocular pathology or severe insufficiency of lacrimal secretion (moderate to severe dry eyes) that would affect the wearing of contact lenses.
  • Is using any systemic or topical medications that will affect a study outcome variable, and/or ocular health.
  • Has any known sensitivity to fluorescein dye or products to be used in the study.
  • Has persistent, clinically significant corneal or conjunctival staining using sodium fluorescein dye.
  • Has any clinically significant lid or conjunctival abnormalities, active neovascularization or any central corneal scars.
  • Is aphakic.
  • Has undergone corneal refractive surgery.
  • Is pregnant, lactating, or planning a pregnancy at the time of enrollment (by verbal confirmation at the screening visit).

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Crossover Assignment

Masking

Double Blind

52 participants in 2 patient groups

Test lens
Experimental group
Description:
Subjects wearing the test lens for one week, either randomized as the first or second pair.
Treatment:
Device: Control lens
Device: Test lens
Control lens
Active Comparator group
Description:
Subjects wearing the control lens for one week, either randomized as the first or second pair.
Treatment:
Device: Control lens
Device: Test lens

Trial documents
1

Trial contacts and locations

2

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Data sourced from clinicaltrials.gov

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