1. lens
With good cameras you can use different lenses, e.g. a wide-angle lens.
She's got very bad eyes and needs glasses with powerful lenses.
I'm looking for my contact lens.
contact lenses
Through the lens the image was inverted.
You have a lens in each of the eyes.
I see badly therefore I wear lens
a colorless, transparent structure - the crystalline lens
She's got a camera with a telescopic lens.
Newton investigated how lenses transmit light.
It is a convex shaped disc held in place ciliary muscles they relax and contract to change the shape of the lens
Don’t forget to cover the lens when you are not using the camera.
look through the lens
The lenses follow the direction the car goes.
I think it would have been a better shoot with a 10mm lens.
2. lenses
I've bought contact lenses.
Can I buy only the lenses?
Have you found your contact lenses?
Do you wear lenses?
Contact lenses are more able to correct strong astigmatism.
We also have lenses in our assortment.
Lenses with two distinct optical powers are also called "bifocals".
Sally lost the contact lenses she had bought the day before.
May I have a pair of contact lenses?