convex lenses are for short sighted people.
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Convex lenses are used in various applications because they can converge light rays to a single point, creating real and inverted images. This property makes them useful in optical devices like cameras, microscopes, and telescopes for focusing light. Convex lenses are also used to correct vision problems in glasses and contact lenses by refracting light rays to bring them into focus on the retina.
The human eye has a double convex lens in the cornea (outermost layer) and a bi-convex lens in the crystalline lens inside the eye.
Flashlights typically have a convex lens. A convex lens is thicker in the middle and thinner at the edges, which helps to converge the light rays and create a focused beam.
A magnifying glass is a tool that has a convex lens. The convex shape of the lens allows it to magnify objects when they are viewed through it.
A magnifying lens is typically convex in shape.
A convex lens is also known as a converging lens, while a concave lens is also known as a diverging lens.