MedPath

Multipurpose Disinfecting Solution Compatibility With a Silicone Hydrogel Contact Lens

Phase 3
Completed
Conditions
Hyperopia
Myopia
Interventions
Device: Silicone Hydrogel Contact Lens
Registration Number
NCT00520689
Lead Sponsor
University of Waterloo
Brief Summary

The purpose of this study is to verify the compatibility of a silicone hydrogel lens when used with four multipurpose disinfecting solutions (OPTI-FREE® RepleniSH®, ReNu MultiPlus®, Solo-Care Aqua™ and MeniCareTM Soft).

Detailed Description

The purpose of this study is to verify the compatibility of a silicone hydrogel lens when used with four multipurpose disinfecting solutions (OPTI-FREE® RepleniSH®, ReNu MultiPlus®, Solo-Care Aqua™ and MeniCareTM Soft) by observing changes within the cornea.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
25
Inclusion Criteria

A person is eligible for inclusion in the study if he/she:

  1. Is at least 17 years old and has full legal capacity to volunteer
  2. Has read and signed an information consent letter, after having the opportunity to ask questions and receive acceptable answers
  3. Is willing and able to follow instructions and maintain the study appointment schedule
  4. Is correctable to a visual acuity of 6/7.5 (20/25) or better (both eyes) with their habitual vision correction
  5. Has normal binocular vision (no strabismus, no amblyopia, and anisometropia less than or equal to 1.00 D)
  6. Has clear corneas and no active ocular disease
  7. Has had an ocular examination in the last two years.
  8. Has a functional pair of spectacles
  9. Is a current soft lens wearer replacing their lenses at least monthly
  10. Has a distance contact lens prescription between +6.00D to -10.00 DS and can be successfully fitted with the study lens
  11. Has astigmatism less than or equal to -1.00DC
  12. Agrees to wear the study lenses on a daily wear basis
Exclusion Criteria

A person will be excluded from the study if he/she:

  1. Has any signs or symptoms of dry eye
  2. Has any clinically significant blepharitis
  3. Has undergone corneal refractive surgery
  4. Is aphakic
  5. Has any systemic disease affecting ocular health
  6. Is using any systemic or topical medications that may affect ocular health
  7. Is pregnant or lactating
  8. Is participating in any other type of clinical or research study
  9. Currently wears daily disposable lenses
  10. Currently wears lenses on a continuous or extended wear basis
  11. Is unable to successfully wear contact lenses without routinely using rewetting drops

Study & Design

Study Type
INTERVENTIONAL
Study Design
CROSSOVER
Arm && Interventions
GroupInterventionDescription
4Silicone Hydrogel Contact Lens-
3Silicone Hydrogel Contact Lens-
1Silicone Hydrogel Contact Lens-
2Silicone Hydrogel Contact Lens-
Primary Outcome Measures
NameTimeMethod
To see if there are any effects on the cornea when using each contact lens/solution combination.Over 2 days
Secondary Outcome Measures
NameTimeMethod
To quantify comfort and vision ratings with each lens/solution combination.over 2 days

Trial Locations

Locations (1)

Centre for Contact Lens Research, University of Waterloo

🇨🇦

Waterloo, Ontario, Canada

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