The Sensory System

An inability to focus images properly because the cornea of the eye is not perfectly curved

A system that uses letters made from combinations of raised dots that allows a blind person to read

The gradual yellowing and hardening of the lens of the eye

A waxy substance that helps to protect the external auditory canal by trapping dirt and other particles; commonly referred to as "earwax"

A condition that occurs when ear wax builds up and becomes packed in the external auditory canal

Hearing loss that results when something prevents sound waves from reaching the receptors in the cochlea of the ear

Infection and inflammation of the conjunctiva, a clear membrane that lines the inside of the eyelids and covers most of the surface of the eye; characterized by redness, swelling, itching, burning and excessive tearing

A complication of diabetes that can lead to blindness

A disorder of the eye that occurs when the pressure within the eye is increased to dangerous levels

Farsightedness; trouble seeing objects that are close

A vision disorder that results from the build-up of deposits in the macula (part of the retina) and eventually leads to blindness

Nearsightedness; trouble seeing objects that are far away

An infection of the lining of the external auditory canal; commonly referred to as "swimmer's ear"

An infection of the middle ear that is common in young children

An inherited form of hearing loss

Age-related hearing loss

Age-related loss of the eye's ability to focus on objects that are close

Pain that is felt somewhere other than where it originated

A general term used to describe the eyes, the ears, the nose, and the taste buds

Hearing loss that occurs when the receptors in the ear are unable to receive stimuli or transmit nerve impulses

Specialized cells or groups of cells associated with a sensory nerve

Receptors found in the skin that are stimulated when something comes in contact with the surface of the body and presses on them, causing them to change shape

Ringing in the ear

Dizziness