lens

Definition:
1. A transparent optical device used to converge or diverge transmitted light and to form images.
2. (metaphor) a channel through which something can be seen or understood.
3. Biconvex transparent body situated behind the iris in the eye; it focuses light waves on the retina.
4. Electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons.

Use 'lens' in a sentence:

• 1. Her contact lenses turned her eyes green.
• 2. These data suggest that nonenzymatic glycosylation of lens crystallins may contribute to cataract formation.
• 3. Have you got your lenses in?
• 4. She could see herself in the reflecting lenses, which had grotesquely foreshortened her.
• 5. Lens equation is derived by using Fermat's principle.
• 6. Each cluster includes a pair of eyes with a sophisticated lens, retina, iris and cornea. Scientists aren't sure how they process what they see.
• 7. He photographed this using a macro lens.
• 8. The lesions were found in the conjunctiva, episclera, cornea, iris, lens, vitreous, and retina.
• 9. Its lens, no bigger than a small raindrop, magnified objects hundreds of times.
• 10. He focuses the lens of a microscope.
• 11. Through this clear lens, problems become challenges, and challenges become opportunities for learning.
• 12. It has a lens system to focus light onto the film at the back of the camera.
• 13. Therefore we will use a more comprehensive lens to look at M&As in the thesis.
• 14. A good tip is to buy the most expensive lens you can afford.
• 15. In that book, he examined Japanese society through the lens of law.
• 16. Mrs Bierce wears thick bifocal lenses.
• 17. They're lenses because they're convex vessels, and when they're full of water, they act as a lens and you see the horizon in them, upside down and backwards.
• 18. We need a filter or a lens to talk about then what is ultimately in control.
• 19. He took off his spectacles and rubbed frantically at the lens.
• 20. The lens of the eye accommodate to distance.
• 21. There are two prismatic lens covers on my aquarium.
• 22. Lens can be made for microscopes.
• 23. This is a traditional fuel rod lens that glows underwater.
• 24. A bank of telephoto lenses homed in on him.
• 25. A lens would magnify the picture so it would be like looking at a large TV screen.
• 26. To prep the eye to receive the tooth and lens, the doctors placed a graft over the eye to promote moisture.
• 27. The eyes behind the lenses were dark and quick-moving, taking in everything at a glance.
• 28. Analyzing and comparing cities using the lens of this basic divide gives interesting context to how investment capital flows and housing prices have shifted.
• 29. What's the strength of the lenses of your glasses?
• 30. Why aren't all lenses supplied with a lens hood?
• 31. Use a weatherproof rucksack to carry your camera and lenses around in.
• 32. I send him the blend calendar and the splendid bent lens he lent to me.
• 33. When getting a new prescription, make sure the lenses have an antireflective coating.
• 34. The lens of this camera can be pulled back and forth.
• 35. The Petzval's portrait lens is the first mathematically calculated lens.
• 36. Cataracts is a condition that affects the transparency of the lenses.
• 37. I packed your sunglasses with the green lenses.
• 38. What about it trivializes that crime? I guess it's just that there's no moral lens that we're looking at it through.
• 39. The daguerreotype was a unique image that reproduced what was in front of the camera lens in minute, unselective detail and could not be duplicated.
• 40. Some of these phenomena can also be tracked through the historian's lens, but some are, I believe, genuinely new.
• 41. The lens of a camera forms images.
• 42. The curved glass had a magnifying effect, like a lens.
• 43. Water surges from the cells on the inside of the leaf to those on the outside, causing the leaf to rapidly flip in shape from convex to concave, like a soft contact lens.
• 44. People living or working with smokers can find it uncomfortable to wear contact lenses because the smoke causes irritation.
• 45. The camera has a 32mm lens with a maximum aperture of f/ 4.5 and a fixed shutter speed of 1/ 100sec.
• 46. The mascara is suitable for contact lens wearers.
• 47. Your camcorder should have these basic features: autofocus, playback facility, zoom lens.
• 48. Some adjustment of the lens may be necessary.
• 49. I sometimes wear contact lenses.
• 50. Wash the lenses in saline solution.
• 51. Opacity of the eye lens can be induced by deficiency of certain vitamins.
• 52. As we age the lenses of the eyes thicken, and thus refract light differently.
• 53. The flexibility of the lens decreases with age; it is therefore common for our sight to worsen as we get older.