Table 1. Medical document usability heuristics.

Heuristic category	Heuristic name	Description
Readability	Color and Contrast	Does the text have sufficient contrast?
	Layout and Position	Is the layout appealing, clear, and consistent across the document?
	Font and Capitalization	Are the font and its size consistent and readable?
	Structure and Format	Are the structure and format of each section effective and uniform?
Minimalism	Simple and Direct	Are the language and sentence structure simple, direct, specific, concrete, and concise?
	Progressive Level of Detail	Does the document present the most important information first, following with increasing levels of detail?
Comprehensibility	Terminology	Are complex and technical terms used correctly and consistently?
	Clarity of Headings	Are the headings clear and understandable?
Content	Clarity of Content	Is the purpose of the material obvious?
	Emphasis	Are important points emphasized appropriately? Is it clear why certain text is emphasized?
	Context	Does the document include creation or printing date and contact information?
	Relevance	Is the content relevant to the patient's condition and context? Is there extraneous information?
	Absence/Lack of Information	Is any important content missing?
Organization	Grouping	Is the information grouped in a meaningful format? Are the groups reasonably sized?
	Order	Is the information ordered logically?
	Use of Subheadings	Does the document use prominent and meaningful headings and subheadings?
	Navigational Tools	Does the material have navigational tools to help orient the reader?