You notice that your mother, who is 61 years old, begins to complain about her difficulty seeing while night driving, with the size of the print on her PC screen, with blurry street signs, and with the dimness of her kitchen lights. She may be experiencing loss of visual acuity due to .

presbyopia , dark adaption  or cataracts

Explanation:

You notice that your mother, who is 61 years old, begins to complain about her difficulty seeing while night driving, with the size of the print on her PC screen, with blurry street signs, and with the dimness of her kitchen lights. She may be experiencing loss of visual acuity due to presbyopia , dark adaption  or cataracts.

Presbyopia  also known as long-sightedness is results from a loss of elasticity of the lens of the eye and it is associated with aging.  dark adaption  and cataracts are also associated with aging. Cataracts is the clouding of the eye lens which results in blurry vision.

the telephone is the answer