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OpenTrials
Completed

NCT Number: NCT01444053

Retrospective Study of the Health Benefits of Ultra-Violet Filtering Contact Lenses

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.

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Key information

Conditions

Refractive Errors Eye Diseases

Age range

18 year–43 year

Sex eligibility

All sexes

Study type

Observational

Primary location

Birmingham, United Kingdom

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

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

Treatment and study plan

No Intervention

Device

No Intervention

Primary outcomes

  1. Macular Pigment Optical Density (MPOD) after 5 years of contact lens wear

    Time frame: Approximately 40 minutes

    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.

  2. Amplitude of Accommodation after 5 years of contact lens wear

    Time frame: Approximately 40 minutes

    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.

Sponsors and collaborators

Lead sponsor

Johnson & Johnson Vision Care, Inc.

Industry

Registry information

Important dates

Study start
2011
Primary completion
2011
Study completion
2011
First posted
Sep 30, 2011
Registry last updated
Jun 20, 2017

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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