lens

/lɛnz/
noun
  1. A curved piece of glass or plastic that focuses or spreads light, used in glasses, cameras, microscopes, etc.
    • The microscope uses a powerful lens to magnify tiny cells.
    • Her new glasses have lenses that block blue light from screens.
    • I need to clean the lens of my camera before taking pictures.
  2. The clear part of the eye behind the pupil that focuses light onto the retina.
    • The doctor examined her eye lens to check for any damage.
    • Light passes through the lens and helps you see clearly.
    • As people age, the lens of the eye can become cloudy, causing cataracts.
  3. A way of thinking about or understanding something; a perspective.
    • We should view this problem through a different lens to find a solution.
    • The documentary examines history through the lens of ordinary people.
    • Her cultural background gives her a unique lens on world events.
Synonyms
What does "lens" mean? | whatsthatwordmean | whatsthatwordmean