What Are Three Forms of Blindness That Become More Common

question 62

Essay

What are three forms of blindness that become more common in later adulthood? What is the cause of each?

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Definitions:

Hearing

The faculty of perceiving sounds, which occurs when sound waves are converted into electrical signals and interpreted by the brain.

Middle Ear

The section of the ear between the eardrum and the oval window, containing the three auditory ossicles that transmit sound.

Vibrations

Oscillations that occur in various physical entities, which can be felt or heard as waves through mediums like air or water.

Balance

The ability of the body to maintain its center of mass over its base of support, a function involving sensory input, integration by the brain, and output to muscles.