A Nearsighted Person Has a Far Point of 18 Cm

question 31

Multiple Choice

A nearsighted person has a far point of 18 cm.What power contact lenses will allow this person to comfortably see distant objects clearly?

• A)+5.6 diopters
• B)-5.6 diopters
• C)+0.056 diopters
• D)-0.056 diopters

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Definitions:

Extensor Carpi Radialis

A muscle of the forearm that extends and abducts the wrist.

Biceps Brachii

A large muscle in the upper arm responsible for forearm rotation and flexion of the elbow.

Flexor of Forelimb

Muscles responsible for bending joints and allowing the forelimb to flex.

Pectoralis Group

A collection of muscles in the chest that include the pectoralis major and pectoralis minor, critical for the movement of the shoulder and arm.