A Person Uses Corrective Glasses of Power -8

question 17

Short Answer

A person uses corrective glasses of power -8.5 D.
(a) Is this person nearsighted or farsighted?
(b) If the glasses are worn 2.0 cm from the eye, what is the person's far point without glasses?

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Definitions:

Cyanosis

A bluish or purplish discoloration of the skin and mucous membranes due to inadequate oxygenation of the blood.

Epidermal Layer

The outermost layer of the skin that acts as a barrier against environmental damage, including pathogens and physical harms.

Vascular

Relating to the body's blood vessels, including arteries, veins, and capillaries, that transport blood throughout the body.

Nonstratified

Referring to a type of epithelial tissue that consists of a single layer of cells, as opposed to multiple stacked layers.