- From: Wayne Dick <wayneedick@gmail.com>
- Date: Tue, 8 Dec 2015 23:30:37 -0800
- To: ALAN SMITH <alands289@gmail.com>
- Cc: Shawn Henry <shawn@w3.org>, "public-low-vision-a11y-tf@w3.org" <public-low-vision-a11y-tf@w3.org>
- Message-ID: <CAJeQ8SDUy0meHmZco_4j6UB-5Yw-PzPas9Lb-jBWFW65dBceSg@mail.gmail.com>
Alan, I am a little confused. You only mean large type on paper, not large print for monitors? Is that correct? Wayne On Tue, Dec 8, 2015 at 6:25 PM, ALAN SMITH <alands289@gmail.com> wrote: > All, > > I addressed the large format printing needs in the early days of our > forming. > > I’m not sure which document that would be in now. > > > > Basically, large format printing is the biggest gap I see in > recommendations for web and mobile for low vision users. > > > > They need printing services from IT devices similar to what can currently > only be obtained by specialty printing services. > > > > Here are the recommended guidelines: > > http://acb.org/node/750 > > > Guidelines > > The following are best practices and guidelines for large print documents. > The order in which these items appear does not denote any ranking or > relative importance. > > - In general, at least an 18 point, and preferably a 20 point, bold, > sans serif, mono or fixed space font is desirable. Adobe's Verdana, > Helvetica, Tahoma, Arial; Linotype's Futura Light Bolded; and Typography's > Gotham Rounded fonts currently offer optimal readability for large print > documents when the aforementioned parameters are applied. > - Large print documents, with a line spacing (leading) of at least > 1.5, provide good readability and help reduce eye strain. > - Titles and headings should be larger than the text of the document > and contain both upper and lower case letters. Titles and headings should > be aligned left where possible. > - Large print documents that display the text in blocked paragraphs > which are aligned left are preferable. Double spacing between paragraphs is > necessary for readability. > - Bulleted text should be identified by large solid dark bullets, with > double spacing between items. > - Eliminate "widows" and "orphans" when continuing text from one page > to the next. > - Page numbers should be the same font style and of at least the same > font size as the document text. > - In single-sided, unbound documents, the page number should be > positioned in the top right corner. Additionally, it is helpful to have the > page number appear at the bottom center. In book formatted documents, the > page number should be located in either the upper or lower outer corner of > each page. In either case, a margin of at least 0.75 inches is needed to > accommodate the page number. > - The paper used in large print documents should have a matte or dull > finish to reduce glare. An eggshell color minimizes eye strain. > - Paper used in large print documents should be no less than twenty > pound bond to avoid "bleed thru". > - Emphasis is best achieved by the use of asterisks, dashes, double > bolding, or by simply underlining an individual word. The use of color or > italics is not acceptable for low vision readers. > - Horizontally connect two columns of information with leader dots, as > in a table of contents. When a table appears in a large print document, it > should be kept on one page. Horizontal and vertical lines between rows and > columns will facilitate tracking in tables with multiple columns. > - Binding large print documents that are up to approximately 20 sheets > of paper can be saddle stapled. Thicker documents must be bound with an > appropriate spiral or wiro binding to facilitate flattening for ease of > reading. An ample margin is needed to accommodate the binding. > - The enlargement feature on a copy machine does *NOT* produce large > print documents. Copy machines create fuzzy text, which is often on > oversized pages, making the document cumbersome. The use of electronic > editing and formatting produces large print documents of superior quality. > - Low vision readers have trouble with graphs, charts, and pictures in > documents. An effort should be made to isolate them on individual pages > accompanied by explanatory captions. > - Color and hue are not as important as high visual color contrast > between a background and a text to those with low vision. The greater the > difference between the "light reflectance values" (LRV) of two adjacent > surfaces, the greater the contrast. Large print documents produced with a > high degree of contrast receive high marks from the low vision community. > - It is generally understood that the characteristics which have the > greatest effect on the readability of large print documents can be ranked > as follows: spacing, font size, contrast, and font style. Printing houses > and publishers should focus on these characteristics when producing > documents for the low vision community. > - Depending on eye condition, some low vision readers can read text > that is presented in two columns, while others can read text in full width > format. > > Regards, > > > > Alan > > > > Sent from Mail <http://go.microsoft.com/fwlink/?LinkId=550986> for > Windows 10 > > > > > > > *From: *Shawn Henry > *Sent: *Tuesday, December 8, 2015 8:24 PM > *To: *public-low-vision-a11y-tf@w3.org > *Subject: *Agenda tweak: 9 Dec 2015 > > > > > > A tweak to: > > > Agenda+ sectional summaries vs introductions > > > > https://lists.w3.org/Archives/Public/public-low-vision-a11y-tf/2015Dec/0001.html > > > > Agenda+ user needs section intros: descriptions or summaries, or both? > > https://github.com/w3c/low-vision-a11y-tf/issues/2 > > > > > > >
Received on Wednesday, 9 December 2015 07:31:47 UTC