Refractive Errors Clinical Trial
Verified date | June 2017 |
Source | Johnson & Johnson Vision Care, Inc. |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
The purpose of this study is to examine the long term effect of ultra-violet filtering contact lenses on macular pigment density (MPOD) and accommodative function.
Status | Completed |
Enrollment | 41 |
Est. completion date | December 1, 2011 |
Est. primary completion date | December 1, 2011 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 43 Years |
Eligibility |
Inclusion Criteria: - The subject is an adapted soft contact lens wearer of at least 5 years duration of either an UV filtering contact lens or a non-UV filtering contact lens - The subject must report wearing their contact lenses, on average, for a minimum of 5 days each week. - The subject must have best corrected visual acuity of 6/7.5 or better in each eye. - The subject must appear able and willing to adhere to the instructions set forth in this clinical protocol. - The subject must read and sign the statement of informed consent - The subject must be between 18 and 43 years of age Exclusion Criteria: - On medication known to affect accommodation - Active ocular surface pathology - Had eye surgery - Significant ocular tissue anomaly - Any medical condition that may be prejudicial to the study - Diabetes |
Country | Name | City | State |
---|---|---|---|
n/a |
Lead Sponsor | Collaborator |
---|---|
Johnson & Johnson Vision Care, Inc. |
United Kingdom,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Macular Pigment Optical Density (MPOD) after 5 years of contact lens wear | The MPOD will be assessed at a single visit will be compared between wearers of contact lenses with UV protection and those wearers of lenses without UV protection, based on their 5 year wear history. | Approximately 40 minutes | |
Primary | Amplitude of Accommodation after 5 years of contact lens wear | Measured with autorefractor at a single visit and will be compared between wearers of contact lenses with UV protection and those wearers of lenses without UV protection, based on their 5 year wear history. | Approximately 40 minutes |
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