Designing readable text for older adults.Changes in vision that occur with age can make it more difficult to read a computer screen. These include reductions in the amount of light that reaches the retina, loss of contrast sensitivity, and loss of the ability to detect fine details. (1) Following the guidelines will improve readability of online text. (2)
Typeface The design of a set of printed characters, such as Courier, Helvetica and Times Roman. The terms "typeface" and "font" are used interchangeably, but the typeface is the primary design, while the font is the particular implementation and variation of the typeface, such as bold or italics
Use a sans serif Short horizontal lines added to the tops and bottoms of traditional typefaces, such as Times Roman. Contrast with sans-serif.
typeface, such as Helvetica, that is not condensed con·dense
v. con·densed, con·dens·ing, con·dens·es
1. To reduce the volume or compass of.
2. To make more concise; abridge or shorten.
a. . Avoid the use of serif, novelty, and display typefaces This is a list of typefaces. Serif
Here you can find a graphical version of this table.
Sans Serif: Helvetica Arial Univers News Gothic News Gothic is a realist sans-serif typeface designed by Morris Fuller Benton, and released by the American Type Founders (ATF) in 1908. The typeface was originally drawn in two lighter weights, a medium text weight using the title News Gothic, and a closely related light weight
Use 12 point or 14 point type size for body text.
12 point: The quick brown fox jumped over the lazy dog Lazy Dog may refer to:
14 point: The quick brown fox jumped over the lazy dog.
Use medium or bold face type.
Helvetica Medium abcdefghijklmnopgrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
Helvetica Bold abcdefghijklmnopgrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
Capital and Lowercase Letters
Present body text in upper and lowercase letters. Use all capital letters and italics in headlines only. Reserve underlining un·der·lin·ing
1. The act of drawing a line under; underscoring.
2. Emphasis or stress, as in instruction or argument. for links.
Double space all body text.
There are three ways to justify type: left, full, or center justified. Left justified left justified,
n data are left justified when the left-most digit or character occupies the left-most position of the space allotted for those data. text is optimal for older adults.
This is an example of left justification.
Left justification allows an even left margin and an uneven right margin. This is an example of left justification. Left justification allows an even left margin and an uneven right margin. This is an example of left justification.
This is an example of full justification.
Full justification refers to text lines that are spaced so that the margins on either side are equal. This is an example of full justification. Full justification refers to text lines that are spaced so that the margins on either side are equal. This is an example of full justification.
This is an example of center justification.
Center justification balances text around a central axis. This is an example of center justification. Center justification balances text around a central axis.This is an example of center justification.
Avoid yellow and blue and green in close proximity. These colors and juxtapositions are difficult for some older adults to discriminate. Ensure that text and graphics are understandable when viewed on a black and white monitor.
Use dark type or graphics against a light background, or white lettering on a black or dark-colored background. Avoid patterned backgrounds.
(1) Ectit, 2002
(2) Hartley, 1999