What Is the Most Common Cause of Blindness Worldwide

question 17

Multiple Choice

What is the most common cause of blindness worldwide?

• A) Degeneration of the vascular layer
• B) Degeneration of the nervous layer
• C) Loss of transparency of the cornea
• D) Loss of transparency of the lens

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Definitions:

Quasilinear Preferences

Preferences where utility is linear in one argument, usually money, allowing for easy analysis of changes in wealth while other goods are evaluated non-linearly.

Homothetic

Pertaining to a class of production functions or utility functions where equal proportionate changes in inputs result in equal proportionate changes in output.

Utility Function

An economic tool used to encode a consumer's preference orderings over a set of alternatives into a real-valued function. (Duplicate rephrase)

Income

Funds obtained regularly as a result of employment or from returns on investments.