A helpful and authoritative paper on the font is titled "Do the Small Thai Font Sizes on Drug Labels and Documentation Encourage Reading in Older People?" , published in the journal Archives of Design Research . Key Insights from the Paper
: Because its visual "voice" matches Latin fonts like Helvetica or Arial, designers use it to maintain consistency across Thai and English text. kittithada font
: Detailed study on font size and legibility for drug labels. A helpful and authoritative paper on the font
The study found that among middle-aged participants, PSL Kittithada often resulted in the slowest reading times , especially at smaller sizes (0.75 mm). This is attributed to its very light stroke weight and narrow letter spacing. kittithada font