The preferred colors to use for signs, curb markings, and stair edging for older adults are
a. Blue and yellow
b. Blue and green
c. Yellow and red
d. Red and green
C
Because of yellowing of the lens of the eye with normal aging, older adults have difficulty seeing and differentiating low tone colors, such as blue, green, purple, and brown. Yellow and red are the colors of choice for signs and safety markings (response C).
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