In glasses to further the focal length so it is able to be focused at the retina.
it is used in a concave lens
A concave mirror is usually used to project something onto a screen. A concave lens is usually used to view an image through the naked eye.
A concave lens is otherwise known as a diverging lens.
Image formed by a concave lens or a diverging lens is virtual,upright and smaller than the object.It is used by short sighted people.
The convex lens bulges out at the center, while the concave lens bulges in at the center. The convex lens magnifies, while the concave lens reduces.
A Concave lens is used to correct short- sightedness.
it is used in a concave lens
a lens that caves in like this )( as opposed to convex which puffs out like this (). a concave lens. it is used to bend and focus light
A concave mirror is usually used to project something onto a screen. A concave lens is usually used to view an image through the naked eye.
)( is a concave lens() is a convex lens
CONCAVE LENS : lens that atleast possess one end inwards is called as concave lens. CONVEX LENS : lens that atleast possess one end outwards like the exterior of the sphere is called convex lens. According to the medical values convex lens are used for long sight vision problem and concave lens for short sight vision problems.
The ocular lens used for nearsightedness is known as a diverging lens. It is also known as a concave lens.
convex.
A lens that is thinner in the middle and thicker at the edges is called a concave lens.
A concave lens is otherwise known as a diverging lens.
Image formed by a concave lens or a diverging lens is virtual,upright and smaller than the object.It is used by short sighted people.
it spreads light rays apart,or it is used in a camera lens.