Skip to main content

Currency Features for Visually Impaired People (1995) / Chapter Skim
Currently Skimming:

Appendix C: Glossary
Pages 95-100

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 95...
... People with this level of visual acuity are sometimes referred to as "functionally blind." People are said to be legally blind if the best corrected visual acuity in their better eye does not exceed 20/200, or if the maximum diameter of their visual field does not exceed 20 degrees. This definition is used primarily for official and legal purposes.
Read the entire page →
From page 96...
... Cataracts reduce image quality, often resulting in low-contrast or blurry images. Cataracts are common in old age but are sometimes congenital or arise in conjunction with other eye diseases such as diabetic retinopathy.
Read the entire page →
From page 97...
... Letterpress printing Printing in which characters are formed by raised surfaces on the printing plates; a roller applies ink to these raised surfaces, and the plate is pressed against the paper to transfer the ink. Light perception People are said to have, at most, light perception if, with their better eye, they are able to detect the presence of light but are not able to determine the direction from which the light is coming.
Read the entire page →
From page 98...
... Paper furnish The fiber-water slurry from which the paper is made. Peripheral field loss Loss of vision outside of the central region of the visual field.
Read the entire page →
From page 99...
... Visually impaired A person with any form of visual disability that interferes with daily activities, including people who are blind or have low vision or people with peripheral field deficits, glare sensitivity, or losses in contrast sensitivity. Watermark A localized modification of the structure and opacity of a sheet of paper so that the pattern or design can be seen when the sheet is held to the light.
Read the entire page →

Key Terms

  • contrast sensitivity
  • low vision
  • visual field
  • light perception
  • peripheral field

  • central region
  • visual acuity
  • security feature
  • raised surfaces
  • electromagnetic radiation

  • adverse effect
  • printing plates
  • hearing impairment
  • field loss
  • retinal cells

  • printing currency
  • read regular
  • entity entitled
  • automated teller
  • threshold level

  • corrected visual
  • distribute banknotes
  • sometimes referred
  • standardized test
  • following excitation

  • entire visual
  • sized piece
  • daily activities
  • road ahead
  • common form


    • This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
    More information on Chapter Skim is available.