Unverified85% confidenceDecision RuleTime unknown
老人及视力弱者优先选大字幕（数字高≥25mm）+ 颜色变化提示（如剩余时间变红闪烁）的款，小屏纯数字款读数吃力
1
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85%
Confidence
Long-term
Relevance
-
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Unverified彩色范围指示功能（高/低/正常用颜色区分）对老年人或视力不佳者读数友好，减少误读风险80% similarUnverified为视力衰退人群选购时，牌面主图案高度应≥3cm、字体≥24pt、图文对比度采用深色底浅色字或反之，避免红绿配色（照顾色弱人群）76% similarUnverified老年人或视力障碍人群随身急救卡应优先大字号高对比度（黑底白字或白底黑字），并避免用彩色底纹背景，救援现场光线不佳时会大幅降低可读性75% similarUnverified七种颜色区分每日+时段压印文字的设计对视力正常者辨识度高，但对视力较差的老人来说压印文字可能看不清，需依赖颜色区分75% similarUnverified阅读用途优先选显色指数Ra≥90的灯，色彩还原真实、印刷品文字边缘更清晰，Ra<80的灯长时间阅读易疲劳73% similar
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