Optics and Vision Quiz

What are the two types of lenses?

• Concave and Convex

• Hard and Soft

• Round and Square

• Transparent and Opaque

Which type of lens makes light rays diverge?

• Convex

• Opaque

• Transparent

• Concave

What is the purpose of a convex lens?

• Form inverted images

• Reflect light away

• Make light rays diverge

• Make light rays converge

What part of the eye controls the pupil's size?

• Sclera

• Retina

• Cornea

• Iris

Which photoreceptor lets us see in low-light conditions?

• Rods

• Cones

• Cornea

• Iris

What is the condition where the eyeball is too short or the lens is too thin?

• Hyperopia

• Astigmatism

• Presbyopia

• Myopia

What is the condition where the eyeball is too long or the lens is too thick?

• Astigmatism

• Myopia

• Hyperopia

• Presbyopia

What is the irregular shape of the cornea called?

• Myopia

• Hyperopia

• Astigmatism

• Presbyopia

What is the most common color vision deficiency?

• Astigmatism

• Myopia

• Achromatopsia

• Red-Green color deficiency

What is the process of changing the shape of the eye lens called?

• Accommodation

• Refraction

• Diffraction

• Reflection