1. a curved piece of glass or plastic that bends light rays to make objects appear larger, smaller, or clearer
2. the clear part of the eye that focuses light onto the retina
Usage: anatomy
3. the part of a camera that focuses light to create an image
Usage: photography

Examples

• She cleaned her glasses lens with a soft cloth.
• The microscope lens magnified the bacteria 1000 times.
• He needed surgery to replace the cloudy lens in his eye.
• The photographer switched to a wide-angle lens for the landscape shot.
• Contact lenses are more convenient than glasses for sports.
• The telescope’s powerful lens revealed distant stars.
• Reading glasses have convex lenses that help focus light.