TEMPLATE Visual acuity study (e3602f3b-c972-42bb-a659-a9d22856bff3)

TEMPLATE IDe3602f3b-c972-42bb-a659-a9d22856bff3
ConceptVisual acuity study
DescriptionTo manage the acquisition procedure and outcome for the visual acuity study.
PurposeTo manage the acquisition procedure and outcome for the visual acuity study.
References
OtherDetails Language Independent{MetaDataSet:Sample Set =MetaDataSet:Sample Set , Copyright=Copyright, Owner=Owner, Speciality=Speciality}
Language useden
Citeable Identifier1013.26.115
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  • Assessment of wet AMD
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  •  Text
  •  Identifier
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  •  Text
  •  Identifier
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  •  Coded Text
    • Pinhole visual acuity  [The test is performed with pinhole refraction applied.]
    • Usual corrected visual acuity  [The test is performed with the patient's usual refractive correction i.e spectacles or contact lenses.]
    • Best corrected visual acuity  [The test is performed with the patient's optimal refractive correction.]
    • Unaided visual acuity  [The test was performed without visual aid.]
  •  Text
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  • Left eye  [The test result refers to the visual acuity of the left eye only.]
  • Right eye  [The test result refers to the visual acuity of the right eye only.]
  • Both eyes simultaneously  [Both eyes were examined simultaneously.]
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  •  Coded Text
    • Not performed  [The visual acuity test was never performed.]
    • Not completed  [The visual acuity test was started but could not be completed.]
  •  Text
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  • Ratio
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  • Ratio
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  • Unitary
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  • 1: NPL - No perception of light  [The subject has no perception of light.]
  • 2: PL - Perception of light  [The subject can perceive light.]
  • 3: HM - Hand movement  [The subject can perceive hand movement.]
  • 4: CF - Count fingers  [The subject can count fingers.]
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  • Spectacles  [The subject's vision was corrected by spectacles.]
  • Contact lenses  [The subject's vision was corrected by contact lenses.]
  • Pinhole  [The subject's vision was corrected by use of a pinhole.]
  • Autorefraction  [The subject's vision was corrected by autorefraction.]
  • Retinoscopy  [The subject's vision was corrected by retinoscopy.]
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Units:
  • ft
  • m
  • cm
  • in
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  • logMar chart  [A logMar chart was used to measure distance visual acuity.]
  • Snellen chart  [A Snellen chart was used to measure distance visual acuity.]
  • ETDRS chart  [An ETDRS chart was used to measure distance visual acuity.]
  • Picture chart  [A picture chart was used to measure distance visual acuity.]
  • Reduced logMar  [A Reduced logMar chart was used to measure near visual acuity.]
  • Reduced Snellen  [A Reduced Snellen chart was used to measure near visual acuity.]
  • Faculty of Ophthalmologists 'N' Score  [Faculty of Ophthalmologists 'N' Score chart was used to measure near visual acuity.]
  • Jaeger 'J' Score  [A Jaeger 'J' Score chart was used to measure near visual acuity.]
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  • Letter  [A letter optotype was used to measure distance visual acuity.]
  • Orientation  [An orientation optotype was used to measure distance visual acuity.]
  • Picture  [A picture optotype was used to measure distance visual acuity.]
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  • Single letter  [A single letter algorithm was used to derive the visual acuity score.]
  • Whole line  [A whole line algorithm was used to derive the visual acuity score.]
  • Last line single letter  [A last line single letter algorithm was used to derive the visual acuity score.]
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  • US Snellen  [The distance test result, recorded as Snellen visual acuity expressed in feet, where 20/20 is regarded as normal.]
  • Metric Snellen  [The distance test result, recorded in Snellen format expressed in metres, where 6/6 is regarded as normal.]
  • Decimal Snellen  [The distance test result,recorded as Sn ellen visual acuity expressed as a decimal ratio, where 1.0 is regarded as normal.]
  • ETDRS Letters  [Visual acuity expressed using ETDRS Letters format, with a value of 100 regarded as normal.]
  • Low Vision Score  [Graded scale used when patient has low levels of visual acuity.]
  • logMar  [The test result, recorded as logMar visual acuity, where a value of 0 is regarded as normal.]
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