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Essential Measures are only those items that are critical to the collection of the Measure or are necessary for the interpretation of results. Essential Measures are integral to the Measure. Without such information the data collected would be incomplete and/or misleading.
An additional PhenX Measure that the user may find helpful based on the selection of a particular PhenX Measure. Related PhenX Measures can include additional Measures that are needed to calculate a Derived Variable (e.g., Weight and Height are needed to calculate BMI), Measures that are commonly used in presentations and publications to present the value of the chosen Measures (e.g., Height and Weight by Race and Ethnicity), Measures that are conceptually related to the chosen Measure (e.g., Current Educational Attainment is conceptually related to Annual Family Income and Arm Span is conceptually related to Height), Measures that are physiologically and/or biologically related to the chosen Measure (e.g., Stroke and Heart Disease). Related PhenX Measures are suggestions only.
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Browse » Domains » Ocular » Corrective Lens Use

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Measure: Corrective Lens Use   #111300

Definition: Questions to assess current and past use of eyeglasses and/or contact lenses.

Purpose: Determine the use and need for corrective lenses. Use of glasses or contact lenses, and their timing of use in a pediatric population provide insight regarding effects on visual function, influence refractive error development and progression, and task performance. It is important to determine the history of use of contact lenses because it has been shown to be associated with corneal conditions, such as infections and dry eye syndrome.

Protocols:

Essential Measures

Current Age
Collections

Vision Problems

Keywords: Ocular, Eye, Contacts, Contact lenses, Herpetic Eye Disease Study, HEDS, Eyeglasses, Spectacles, Sydney Myopia Study, Glasses, Blue Mountains Eye Study, BMES

Measure Release Date: February 26, 2010

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