An optometry student must create a mode of a lens. the lens must be able to focus light into a small space. which statement would best describe the type of lens the student should model?

a. the student should model a concave lens because it brings bands of color together to create white light
b. the student should model a convex lens because it brings bands of color together to create white light
c. the student should model a concave lens because it directs light toward the middle of the lens
d. the student should model a convex lens because it directs light toward the center of the lens

The correct answer is d. The student should model a convex lens because it directs light toward the center of the lens.