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Dictionary of Optometry and Visual Science
By Michel Millodot Butterworth Heinemann, (2000) ISBN: 0-7506-4373-0 Genre: Reference, Eye Health |
Electroretinogram - Recording of mass electrical response of the retina when it is stimulated by light. It is recorded by placing an electrode in contact with the cornea (usually with the aid of a contact lens) and a second electrode is placed either on the forehead or the face. The response is complex as many cells of various types contribute to it... The ERG... are useful indicators of the health of all the layers of the retina and can differentiate between the functioning of the rods and cones. (Pg. 93.)This dictionary contains over 4,200 entries, covering the most common terms associated with optometry and visual science. The text is illustrated, and copiously crossed referenced. All entries have detailed definitions. Although the text primarily uses British spellings throughout, when the American spelling begins with a different letter than the British, it is listed under both spellings. In addition to traditional dictionary entries and definitions, this dictionary also includes a variety of charts and tables that enhance the text. For example, there is a detailed list of common abbreviations, acronyms, and symbols. The text is also enhanced by a plethora of diagrams and pictures that help to illustrate the definitions.