Class DecimalVisualAcuity

All Implemented Interfaces:
AttributesWrapper, DataElementWrapper, BytesDataElementWrapper, DoubleDataElementWrapper, FloatDataElementWrapper, FloatingPointDoubleWrapper

public class DecimalVisualAcuity extends AbstractDataElementWrapper implements FloatingPointDoubleWrapper
Name: Decimal Visual Acuity
Keyword: DecimalVisualAcuity
Tag: (0046,0137)
Value Representation: FD
Value Multiplicity: 1
  • Described in the contexts: as follows:
    Attribute Name: Decimal Visual Acuity
    Type: 1
    Attribute Description:

    A patient's visual acuity specified in decimal. The value is derived from two values in a fraction where the numerator of the fraction is the nominal distance to the chart that the patient is reading. The denominator represents the line of smallest optotypes of which the patient can see more than half.

    Note
    1. Typical examples: reference standard is 1, severe vision loss is 0.1

    2. See chapterRR for guidance in converting Decimal Visual Acuity to other customarily used display notation such as 20/20 in the US and 6/6 in Britain.


  • Field Details

  • Constructor Details

    • DecimalVisualAcuity

      public DecimalVisualAcuity(org.dcm4che3.data.Attributes attributes)
      Creates a new Decimal Visual Acuity object which wraps the provided attributes.
      Parameters:
      attributes - The Attributes object to be wrapped.
    • DecimalVisualAcuity

      public DecimalVisualAcuity()
      Creates a new Decimal Visual Acuity object which wraps a new and empty Attributes object.
  • Method Details

    • copy

      public DecimalVisualAcuity copy()
      Returns a new Decimal Visual Acuity which wraps a copy of the Attributes wrapped in this Decimal Visual Acuity. (see Attributes(Attributes)
      Returns:
      a new Decimal Visual Acuity which wraps a copy of the Attributes wrapped in this Decimal Visual Acuity.
    • getValueRepresentation

      public org.dcm4che3.data.VR getValueRepresentation()
      Specified by:
      getValueRepresentation in interface DataElementWrapper
      Returns:
      The DICOM Value Representation (VR) of the wrapped DICOM sequence.
    • getTag

      public int getTag()
      Specified by:
      getTag in interface DataElementWrapper
      Returns:
      The DICOM Tag of the wrapped DICOM sequence.