Which of the Following Tools Is Used to Test Visual

question 11

Multiple Choice

Which of the following tools is used to test visual acuity?

• A) Ishihara color plates
• B) Snellen eye chart
• C) astigmatism chart
• D) Weber test

---

Definitions:

Demand Curve

A visual diagram that illustrates how the quantity of a product demanded by buyers correlates with its price.

Marginal Revenue Curve

A graphical representation showing the additional income generated from the sale of one more unit of a good or service.

Average Variable Cost

Variable expenses, which fluctuate based on production volume, per unit of output.

Long-run Equilibrium

A state in which all aspects of the market, including supply and demand, production capacity, and price levels, are in balance and expected to remain so.