Large print materials
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Use an 18 point size typeface.
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X height (height of the lower case x) and T-height (height of the bottom of the crossbar on the lower-case letter t) of at least 4 mm.
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Large print headings and subheadings should be larger and bolder than regular large print text.
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A ‘sans serif’ font is preferred (eg. Arial or Verdana)
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Use a 1.25 line space between lines (or larger if needed to avoid crowding).
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Avoid italics.
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Begin all text at the left margin – do not use indentations to delineate paragraphs.
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Paragraphs should use margins around 2.5 cm with left justification only (no right justification).
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Avoid use of hyphens at the right margin.
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Avoid use of columns.
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Use standard size paper.
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Large print should not be used over a background design or other graphical material.
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Large print should appear black on white, ivory, cream or yellow paper with a dull finish to reduce glare. Use a light yellow paper with black print for the most readable copy.
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Large print users should have access to graphics that are not only enlarged, but maintain the same contrast, clarity, and access to appropriate colouration as those prepared for their sighted peers.
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Large print materials that are highly graphical in nature, such as maps, graphs, and charts, should also adhere to type size, font, and other large print guidelines.
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When colour is not possible, high-quality, black line drawings are preferred over gray scale.
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Books weigh no more than approximately 900grams.
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No larger than 23 cm x 30 cm x 6 cm – note: smaller than A3.
Large Print Guidelines
Accessible Information Solutions
http://www.nils.org.au/ais/print/resources/lp_guidelines.html
This agency specialises in preparation of materials in a range of accessible formats.
Large Print: Guidelines for Optimal Readability
The American Printing House for the Blind (APH)
www.aph.org/edresearch/lpguide.htm
These guidelines are based on research into usability of large print materials for people with low vision.
User-Friendly Materials and Alternate Formats
National Center for the Dissemination of Disability Research, http://www.ncddr.org/du/products/ufm/ufm.html
This guide looks at a range of alternative formats and gives useful, practical tips on converting materials.
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