blindness

Table of Contents

Introduction References & Edit History Related Topics

Videos

How do blind people perceive the world?

Read Next

Still from the film Deliverance, 1919. The story of Helen Keller and Anne Sullivan. View shows Keller in the cockpit/front seat of an airplane.

How Did Helen Keller Fly a Plane?

bat flying

Are Bats Really Blind?

Discover

Shah Jahan. Taj Mahal. Mughal architecture. Emperor Shah Jahan fifth Mughal Emperor (reigned 1628-1658) India, Himachal Pradesh, Basohli or Jammu and Kashmir, Mankot, circa 1690 Drawings; Opaque watercolor, gold, and ink on paper (see notes)

6 Important Mughal Emperors

Young boys working in a thread spinning mill in Macon, Georgia, 1909. Boys are so small they have to climb onto the spinning frame to reach and fix broken threads and put back empty bobbins. Child labor. Industrial revolution

The Rise of the Machines: Pros and Cons of the Industrial Revolution

Sailboat against a beautiful landscape

Which Waters Do You Pass Through When You “Sail the Seven Seas”?

Vietnam War. U.S. President Lyndon B. Johnson awards the Distinguished Service Cross to First Lieutenant Marty A. Hammer, during a visit to military personnel, Cam Ranh Bay, South Vietnam, October 26, 1966. President Johnson

Vietnam War Timeline

Orange basketball on black background and with low key lighting. Homepage 2010, arts and entertainment, history and society

The 10 Greatest Basketball Players of All Time

In this aerial photo, structures are damaged and destroyed October 15, 2005 in Balakot, Pakistan. It is estimated that 90% of the city of Balakot was leveled by the earthquake. The death toll in the 7.6 magnitude earthquake that struck northern Pakistan on October 8, 2005 is believed to be 38,000 with at least 1,300 more dead in Indian Kashmir. SEE CONTENT NOTES.

6 of the World’s Deadliest Natural Disasters

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

blindness: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Videos

How do blind people perceive the world?

See All Videos →

Topics

vision deaf-blindness history of the blind snow blindness Braille Moon type night writing eye disease uveitis keratitis macular degeneration conjunctivitis colour blindness glaucoma cataract strabismus detached retina visual field defect

Dig Deeper: More Articles That Discuss This Topic

eye disease: Blindness

Key People

Samuel Gridley Howe

Samuel Gridley Howe

American educator

Holt, Winifred

Winifred Holt

American social worker

Laura Bridgman, 1878.

Laura Dewey Bridgman

American educator

Anne Sullivan and Helen Keller

Anne Sullivan

American educator

Dorothy Leib Harrison Wood Eustis

Dorothy Leib Harrison Wood Eustis

American dog breeder and trainer

Alden, Cynthia May Westover

Cynthia May Westover Alden

American social worker and journalist

William Moon

British activist

Louis Braille

Louis Braille

French educator

Helen Keller

Helen Keller

American author and educator

Quiz

44 Questions from Britannica’s Most Popular Health and Medicine Quizzes

A Yorkshire terrier dressed up as a veterinarian or doctor on a white background. (dogs)

A Visit with the Word Doctor: Medical Vocabulary Quiz

Demystified

bat flying

Are Bats Really Blind?

Still from the film Deliverance, 1919. The story of Helen Keller and Anne Sullivan. View shows Keller in the cockpit/front seat of an airplane.

How Did Helen Keller Fly a Plane?