What Power Contact Lens Should Be Used to Correct the Vision

question 20

Multiple Choice

What power contact lens should be used to correct the vision of a farsighted person whose near point is 80 cm to see something clearly at a distance of 25 cm?

• A) 2.8 diopters
• B) -2.8 diopters
• C) -4.0 diopters
• D) -4.2 diopters
• E) 4.2 diopters

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Definitions:

Superscript Number

A small number placed slightly above the normal text line, often used for footnotes, endnotes, or mathematical exponents.

Borders

The lines or zones separating different countries, states, or areas, often controlled and regulated by governments.

Background Colors

The hues or colors used in the backdrop of a visual design element, webpage, or work of art, influencing mood and readability.

Communication Purpose

The intended goal or objective behind a message or piece of communication.