G109 – Use medium or bold face type, e.g., Sans Serif type font,i.e., Helvetica, Arial. Avoid other fancy font types.

Standard

Guideline:

Use medium or bold face type e.g. sans serif type font i.e. Helvetica, Arial. Avoid other fancy font types.

Guideline Description:

Selecting an appropriate font type is crutial in a design of user interface for the older adults. Using sans serif fonts, such as, Arial Helvetica Century Gothic, facilitates the  reading of texts on the screen. The size of  font type should be large or preferably adjustable.

Recommended

Sans Serif:          Arial           Helvetica     Century Gothic

Size recommended for body text:  12pt or 14 pt

Avoid

Script Fonts and decorative fonts that are difficult to read.
Use of font types with serifs.

Example:

example g109Text examples using as font size, 12 and 14 points.

Source:

Designing touch-based interfaces for the elderly,2010
Design Principles to Accommodate Older Adults,2012
Design Recommendations for TV User Interfaces for Older Adults: Findings from the eCAALYX Project,2012


Tags:

Design, Elderly, Font Type, Layout, Reading,  Text,Vision.

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G60 – Allow the older adult to adjust the size of the font in the user interface.

Standard

Guideline:

Allow the older adult to adjust the size of the font in the user interface.

Guideline Description:

As different users have different visual capabilities. It is recommended that user interface has included a mechanism of adjustment for the font type according to the user preferences.

Example

examplo G60

An example of a mechanism of font type adjustment.

Source:

Healthcare TV Based User Interfaces for Older Adults, 2010
Design Principles to Accommodate Older Adults,2012

Tags:

Accessibility, Adaptability, Elderly, Font Type, Testing, Text.

G59 – Use an easy to read font family.

Standard

Guideline:

Use an easy to read font family.

Guideline Description:

The use of sans serif fonts, such as, Arial Helvetica Century Gothic, facilitates  reading texts on the screen. Decorative or script font types are harder to read due to this factor their use should be avoid.

Example:

examplo G59Examples of font families easy to read.

Source:

Healthcare TV Based User Interfaces for Older Adults, 2010
Design Principles to Accommodate Older Adults,2012

Tags:

Elderly, Font Type, Large Elements, Layout, Text.

G58 – Use a very large font type.

Standard

Guideline:

Use a very large font type.

Guideline Description:

Visual acuity is a visual impairment common among older adults. It is important ensuring that the text added in a user interface is legible and readable, through the use of large and sans serifs font types, which are easier to read on the screen. Ideally, the interface should contain an adjustment mechanism.

Example:

examplo G58

An example of an application with adjustable font type.

Source:

Healthcare TV Based User Interfaces for Older Adults, 2010
Touch Screens for the Older User,2011
Design Principles to Accommodate Older Adults,2012
Design Recommendations for TV User Interfaces for Older Adults: Findings from the eCAALYX Project,2012

Tags:

Elderly, Font Type, Layout, Reading, Text, Vision.