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Contrast test can show early vision problems in older adults (Level A1) — a close up of a microscope on a table

Contrast test can show early vision problems in older adultsCEFR A1

23 Jul 2026

LevelA1
A2
B1
B2

Adapted from U. Michigan, Futurity • CC BY 4.0

Photo by CDC, Unsplash

Level A1 – Beginner
2 min
64 words
  • A new eye test can show early vision problems.
  • The test uses letters that fade in color.
  • Normal eye charts use black letters on white.
  • Some people read normal charts but still have trouble.
  • People can have trouble seeing faces or print.
  • Poor vision can make daily life harder.
  • The test helps doctors find these problems.
  • Early help can make life safer and easier.

Difficult words

  • vision — ability to see with the eyes
  • early — happening before a usual time
  • fade — become less strong or less bright
  • normal — usual or common, not special
  • trouble — difficulty or problem doing something
  • doctor — a person who treats sick people
    doctors

Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.

Discussion questions

  • Do you have eye tests where you live?
  • Do you ever have trouble seeing faces or print?
  • Do you wear glasses or contact lenses?

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