Three Changes in Vision That Normally Occur as People Age

question 150

Essay

Three changes in vision that normally occur as people age are presbyopia,impaired dark vision,and greater sensitivity to _____.

---

Definitions:

Marginal

Term used to describe the effects of a change in the current situation. For example, a producer’s marginal cost is the cost of producing an additional unit of a product, given the producer’s current facility and production rate.

Average Increasing

A situation in which the average cost of production goes up as the quantity produced increases.

Long-run Average Total Cost

The average cost per unit of output produced over a period during which all inputs, including capital, are variable.

Diseconomies of Scale

The situation in which a business experiences an increase in average costs per unit when output is increased beyond a certain point.