They use optics
Convex lense
Magnifying glasses use convex lenses
The lens that you should use to first look at a slide on a microscope is a low power lens then move on to a higher power for more clarity.
Concave and convex can refer the types of lenses used to treat refractive errors in the eyes. Concave is another word for myopic lens and convex is another name for a hyperopic lens also known as nearsighted and farsighted respectively
You would use a convex lens.
convex lens
Convex Lens
They use optics
Convex lens because i said so
Convex lens because i said so
Concave
Convex lense
The best type of material to use to prevent scratches on your lens is a nonabrasive cotton. You can also use a lens cloth to cover it. If you re use your cloth and need to clean it, do NOT use fabric softener when drying it.
Lens replacement therapy, also known as lens replacement surgery or transparent lens exchange, is a surgical procedure that involves removing the eye's natural lens and replacing it with an artificial Intraocular Lens (IOL). Eye surgeons use this procedure to treat vision problems such as cataracts or severe refractive errors.
You would use a microscope
Convex lens because i said so