A Person Uses Corrective Glasses of Power -8

question 1

Short Answer

A person uses corrective glasses of power -8.5 D that are worn 2.0 cm from her eye.
(a) Is she nearsighted or farsighted?
(b) What is her far point without glasses?

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Definitions:

Voice and Face

Fundamental aspects of human identity and social interaction, where voice refers to vocal characteristics and communications, and face refers to facial expressions and recognition.

Most Developed

Refers to countries or regions that have achieved the highest levels of industrialization, technological advancement, and standard of living.

Hearing

The ability to perceive sound by detecting vibrations through the ear, an essential sense for communication and awareness of the environment.

Vision

The faculty or state of being able to see, as well as the interpretation by the brain of visual information received from the eyes.