B. If client is unable to see print clearly, test each eye separately by placing index card over one eye at a time.如受检者看不清报纸文字，可用卡纸盖住眼睛轮流测试两眼视力。
If you have to, tape an index card to your refrigerator that spells your goals out in black and white.如果有必要，在你的冰箱上贴一张索引卡，在卡上写上你的目标。