convex les so eat yello puppies!
A Concave lens is used to correct short- sightedness.
No
A Condenser Lens is a device made up of a series of lenses and sometimes a mirror, that is used to gather and 'focus' light to direct it onto an object through a different projection lens.
A spectacle lens is a lens worn in front of the eye, mainly used to correctmyopia, hyperopia,astigmatism.
Because lens paper will not scratch the lens. And it the proper way to clean the the lens... Email: sethalfredpacaro@yahoo.com Add me on facebook and i will answer your questions..
One uses a divergent lens to correct for shortsightedness.
A Concave lens is used to correct short- sightedness.
Because they alter the focus of the lens in the patients eye, to correct their vision.
Cylindrical lens
A coloured lens is made out of a thin, plastic lens that may be tinted to become different colours. The lens can be used to correct refractive error and other problems.
Nearsightness, farsightness, and astigmatism
I believe it can be used for any lens. Just be sure to use the correct sign. Check the "lensmaker's equation" in Wikipedia, and the comments about what sign to use.
It depends on what the vision 'problem' is. Convex lenses are used to correct short-sighted errors, while concave lenses correct long-sighted problems.
Converging lenses....or....convex lens.
A cylindrical lens is a type of lens in which one side is flat and the other side is curved either outward or inward so that it focuses light differently from other lenses. It is commonly used to correct eye problems such as astigmatism because it can be used in lasers.
A small, plastic device (IOL) that is usually implanted in the lens capsule of the eye to correct vision after the lens of the eye is removed. This is the implant is used in cataract surgery.
Diverging Lens are use (reading glasses) to help correct the problem of myopia helping fix the focus which causes items far away to seem fuzy and blurry.