Block Capital Letters as Tests of Visual Acuity.

  title={Block Capital Letters as Tests of Visual Acuity.},
  author={H Banister},
  journal={The British journal of ophthalmology},
  volume={11 2},
  • H Banister
  • Published 2004 in The British journal of ophthalmology
1. In spite of the paramount importance of vision to the individual, and therefore of having accurate means of measuring visual acuity, comparatively little appears to have been done in the way of determining the best type and the best letters to use as tests, and the best methods of conducting the tests. I have found only the references I quote. 2. Previous experimenters Hay('), Sheard(2), Hartridge and Owen(3), ranked the letters of the alphabet in order according to the diffioulty… CONTINUE READING

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