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Testing Visual Acuity

  • Nicholas Robert Galloway
  • Winfried Mawutor Kwaku Amoaku

Abstract

Measurement of visual acuity is the most important test of vision performed by the doctor and yet it is surprising how often the non-specialist omits it in examination. It has already been shown that the differential diagnosis of the red eye can be simplified by noting the vision in the affected eye. After injuries of the eye it is just as important to note the vision in the uninjured eye as it is to note that in the injured eye. Simple measurement of visual acuity is of course, of limited value without a knowledge of the spectacle correction or whether the patient is wearing the appropriate spectacles. The bestcorrected visual acuity therefore needs to be recorded for each eye. This corrected visual acuity can be estimated with a pinhole.

Keywords

Visual Acuity Retinitis Pigmentosa Refractive Error Snellen Chart Corrected Visual Acuity 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag London 1999

Authors and Affiliations

  • Nicholas Robert Galloway
    • 1
  • Winfried Mawutor Kwaku Amoaku
    • 1
  1. 1.B Floor, South Block, Queen’s Medical CentreUniversity Hospital NHS TrustNottinghamUK

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