ophthalmoscope
American Heritage Dictionary:
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oph·thal·mo·scope
(ŏf-thăl'mə-skōp', ŏp-) 
n.
An instrument for examining the interior structures of the eye, especially the retina, consisting essentially of a mirror that reflects light into the eye and a central hole through which the eye is examined.
ophthalmoscopic oph·thal'mo·scop'ic (-skŏp'ĭk) or oph·thal'mo·scop'i·cal (-ĭ-kəl) adj.
ophthalmoscopy oph'thal·mos'co·py (ŏf'thăl-mŏs'kə-pē, ŏp'-) n.
n.
An instrument for examining the interior structures of the eye, especially the retina, consisting essentially of a mirror that reflects light into the eye and a central hole through which the eye is examined.
ophthalmoscopic oph·thal'mo·scop'ic (-skŏp'ĭk) or oph·thal'mo·scop'i·cal (-ĭ-kəl) adj.
ophthalmoscopy oph'thal·mos'co·py (ŏf'thăl-mŏs'kə-pē, ŏp'-) n.
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ophthalmoscope
Columbia Encyclopedia:
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ophthalmoscope
ophthalmoscope (ŏfthăl'məskōp'), instrument used for examining the inner structure of the eye. The device was invented by the German physiologist H. L. F. von Helmholtz in 1851. His model consisted of three plates of glass pressed together and mounted on a handle at a 45° angle. A light was placed beside the subject whose eyes were to be examined. Some light passed through the plates, but some was reflected back into the eye. The form of the instrument now in general use consists of a concave mirror and a battery-powered light source within a tubular handle. Sighting is through a single or binocular eyepiece. The ophthalmoscope is equipped with a rotating disc of lenses to permit observation of the eye at varying depths and magnifications. Examination of the eye may be enhanced by administering drugs to dilate the pupil.
Saunders Veterinary Dictionary:
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ophthalmoscopic
Pertaining to the ophthalmoscope.
- o. examination — see ophthalmoscopy.
Mosby's Dental Dictionary:
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ophthalmoscope
n
A device for examining the interior of the eye. It includes a light, a mirror with a single hole through which the examiner may look, and a dial holding several lenses of varying strengths. The lenses are selected to allow clear visualization of the structures of the eye at any depth.
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categories related to 'ophthalmoscope'
- Tools and Equipment - ophthalmoscope: instrument that directs fine beams of light into eye, used to examine inside eye
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Copyrights:
American Heritage Dictionary
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
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Columbia Encyclopedia
The Columbia Electronic Encyclopedia, Sixth Edition Copyright © 2012, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/.
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Saunders Veterinary Dictionary
Saunders Comprehensive Veterinary Dictionary 3rd Edition. Copyright © 2007 by D.C. Blood, V.P. Studdert and C.C. Gay, Elsevier. All rights reserved.
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Mosby's Dental Dictionary
Mosby's Dental Dictionary. Copyright © 2004 by Elsevier, Inc. All rights reserved.
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