Kind of mirror used by the dentist in magnifying the area behind your teeth to check on cavities and tooth decay. 

A piece of glass or other transparent substance with curved sides for concentrating or dispersing light rays

An instrument that is used in viewing small objects and microorganisms that are impossible for our unaided eyes to see.

It has thicker edges curving towards the center, causing light to diverge, hence it is called as the diverging lens.

A condition in which light rays focus in front of the eye’s retina instead of, on the retina is called?

This disorder leads to the formation of the image nearby object to form beyond retina. 

Also known as a converging mirror has reflecting surface which collects light inward and focus them to one focal point

Also known as diverging mirror, is another type of spherical mirror which has the outer bulging surface that reflects light instead of the inner one.

A highly polished material were regular reflection of light occurs designed for visible light