Diplopia

Overview

Double vision, also known as diplopia, is the simultaneous perception of two images of a single object – the patient sees two images of a single thing either all the time, or some of the time.

Normal sight depends on multiple areas of the vision system working together seamlessly.


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doubleimages

 

How An Image is Perceived

From the front to the back of the eye:

• The cornea is the clear window into the eye. It does most of the focusing of incoming light.

• The lens is behind the pupil. It also helps focus light onto the retina.

• The retina is like the film inside a camera – images falling onto the retina stimulate light-sensitive cells and create signals that are sent via the vision (optic) nerve to the brain to allow us to see.

imageonretina

• The vision (optic) nerve carries visual information from the eyes to the brain.

• Muscles of the eye — extraocular muscles — normally move both eyeballs in a coordinated manner

• The brain is where several areas process visual information from the eyes.

• Problems with any part of the vision system, from front to back, can lead to double vision.

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Mt Alvernia

820 Thomson Road,
Mount Alvernia Hospital,
Medical Centre D, #06-57/58/59/60/61/62
Singapore 574623

Fax: (65) 6456 1006
Mt Elizabeth Orchard

Mount Elizabeth Medical Centre,
3 Mount Elizabeth #08-08,
Singapore 228510

Fax: (65) 6836 0002
Parkway East

Parkway East Medical Centre,
319 Joo Chiat Place,
#05-03 Singapore 427989

Fax: (65) 6348-1001
Mt Elizabeth Novena

38 Irawaddy Road,
Mount Elizabeth Novena Specialist Centre,
#08-22/23/24 Singapore 329563

Fax: (65) 6570 1001
Westgate

Westgate Mall,
3 Gateway Drive,
#02-42A Singapore 608532

Fax: (65) 6250-6066
Royal Square Novena

Royal Square Novena Medical Centre,
101 Irrawaddy Road,
#11-07 to 13 Singapore 329565

Fax: (65) 6456-1002
King Albert Park

KAP Residences Mall,
9 King Albert Park,
#01-42/43/44 Singapore 598332

Fax: (65) 6475-1880

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