What Causes Nearsightedness, Farsightedness, and Astigmatism

question 184

Multiple Choice

What causes nearsightedness, farsightedness, and astigmatism?

• A)The blind spot is abnormally large or small.
• B)Incoming light signals are not properly focused on the retina.
• C)The iris and cornea do not function properly.
• D)Accommodation does not take place.

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Definitions:

Exogamy

A social arrangement where marriage is allowed only outside a social group, clan, or tribe.

Endogamy

The practice of marrying within a specific social group, caste, or ethnic community, often to preserve cultural or religious identity.

Plural Families

Family structures that include more than two adult members in a domestic unit, often associated with polygamy or other forms of non-monogamy.

Anti-Miscegenation

Laws or practices that prohibit interracial marriage or cohabitation between different races.