direct ophthalmoscope

an ophthalmoscope that produces an upright, or unreversed, image of approximately 15 times magnification.

Medical dictionary. 2011.

Look at other dictionaries:

  • Ophthalmoscope — The ophthalmoscope (or funduscope) is an instrument used to examine the eye. Its use is crucial in determining the health of the retina and the vitreous humor. In patients with headaches, the finding of swollen optic discs, or papilledema, on… …   Wikipedia

  • ophthalmoscope — A device for studying the interior of the eyeball through the pupil. SYN: funduscope. [ophthalmo + G. skopeo, to examine] binocular o. an o. that provides a stereoscopic view of the fundus. demonstration o. an o. by which the fundus may be seen… …   Medical dictionary

  • ophthalmoscope — n. an instrument for examining the interior of the eye. There are two types. The direct ophthalmoscope enables a fine beam of light to be directed into the eye and at the same time allows the examiner to see the spot where the beam falls inside… …   The new mediacal dictionary

  • direct method — ophthalmoscopy in which the ophthalmoscope is held close to the eye being examined and an erect virtual image of the fundus is obtained …   Medical dictionary

  • direct ophthalmoscopy — An exam of the inside of the back of the eye using an ophthalmoscope (a flashlight sized instrument with a light source and a set of rotating lenses) …   English dictionary of cancer terms

  • Офтальмоскоп (Ophthalmoscope) — прибор для исследования внутренней поверхности глаза (см. рис.). Существует два вида офтальмоскопов. В прямом офтальмоскопе (direct ophthalmoscopc) тонкий луч света направляется непосредственно в глаз; врач видит пятно в том месте глаза, куда… …   Медицинские термины

  • indirect ophthalmoscope — an ophthalmoscope that produces an inverted, or reversed, direct image of 2 to 5 times magnification, depending on the dioptric power to the examining lens …   Medical dictionary

  • Ophthalmoscopy — Intervention Ophthalmoscopic exam: the medical provider would next move in and observe with the ophthalmoscope from a distance of one to several cm. MeSH …   Wikipedia

  • Ophthalmoscopy — Examination of the interior of the eye, including the lens, retina and optic nerve, by indirect or direct ophthalmoscopy. Indirect ophthalmoscopy employs a head lamp device to shine a very bright light into the eye. This is generally done by an… …   Medical dictionary

  • Eye examination — An eye examination is a battery of tests performed by an optometrist or ophthalmologist assessing vision and ability to focus on and discern objects, as well as other tests and examinations pertaining to the eyes.All people should have periodic… …   Wikipedia

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