Discovery Health "Eye, Ear, Nose and Throat"

WHAT'S INSIDE: EYE, EAR, NOSE & THROAT

The eyes, ears, nose and throat are interconnected organs that are vital parts of several body systems. Discover how these organs work as well as conditions that can affect them.

Ear
Eye
Nose & Throat

Ear
The ear consists of three parts: the outer ear, the middle ear, and the inner ear. Hearing begins when sound waves make it to the middle ear, causing the ear drum to vibrate. Explore the different parts and conditions of the ear.
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Explore These Topics:
- Meniere's Disease
- What causes tone deafness?
Eye
Although small in size, the eye is an extremely complex organ that captures light and transforms it into impulses that the brain can interpret as images. Discover the different muscles, parts and conditions of the eye.
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Nose & Throat
The nose serves dual functions as the organ for the sense of smell and as an entry to the respiratory tract. The throat is a passageway connecting the back of the mouth and nose to the esophagus and to the windpipe. Discover conditions associated with the nose and throat.
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Explore These Topics:
- Why are boogers sticky?
- How does the sense of smell work?

FEATURED: EYE, EAR, NOSE & THROAT

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Bifocal Setbacks

Wearing bifocals, or getting new bifocals, can mean a difficult transition, and those new glasses could cause aches and pains. Learn about the setbacks to consider when switching to bifocals.

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Refractive Vision Problems

Millions of people have refractive vision problems -- when the eyes get blurry or can't focus on an object. Learn about four major types of refractive vision problems.