Electrooculography

Ophthalmic Procedures
Labelled Diagram of the Eye

Electrooculography is the name of an electrical technique for recording movements of the eye.

Electrooculography is used to record an "electrooculogram" (or "EOG" for short) by attaching small electrodes to the skin around the eye. These may be attached at the inner- (closest to the nose) and outer- (closest to the nearest ear) corners of the eye.

The electrical potential between the two electrodes when the eye is at rest (i.e. not moving) gives useful information about the retina. When the eye moves the electrical potential between the electrodes changes and may be recorded continually over a period of time. This method can therefore be used to record and study how movements of the eye vary over a period of time.

There are various reasons for studying eye movements, some for clinical purposes and others for more general research into "Human Factors" and the psychology of visual perception and its many practical applications.

More about Ophthalmology:

This section includes short definitions of many diseases, disorders, and conditions of the eyes and visual system.
For definitions of other terms in this category, choose from the list to the left (but note that this is not a complete/exhaustive list).

Other related pages include

For further information see also our pages of books about ophthalmology.

MCQ Companion to the Eye (Textbook) The Secret of Perfect Vision: How You Can Prevent and Reverse Nearsightedness What Your Doctor May Not Tell You About(TM) Glaucoma: The Essential Treatments and Advances That Could Save Your Sight

The following books may also be of interest:

The Aging Eye (Harvard Medical School)
MCQ Companion to the Eye (Textbook)
The Secret of Perfect Vision: How You Can Prevent and Reverse Nearsightedness
What Your Doctor May Not Tell You About(TM) Glaucoma: The Essential Treatments and Advances That Could Save Your Sight

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