Diagnostic techniques Flashcards

1
Q

DIRECT OPHTHALMOSCOPE

A

A direct ophthalmoscope is a device that produces an unreversed or upright image of around 15 times magnification. The direct ophthalmoscope is a critical tool used to inspect the back portion of the interior eyeball, which is called the fundus. Examination is usually best carried out in a darkened room.

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1
Q

INDIRECT OPHALOSCOPE

A

An indirect ophthalmoscope is a device that produces a reversed or inverted direct images with two to five times magnification. In comparing direct vs indirect ophthalmoscope, the indirect ophthalmoscope delivers a stronger source of light, greater opportunity for stereoscopic inspection of the eyeball interior, and a specifically designed objective lens.

Patients pupil must be fully dilated

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2
Q

VAN HERICK TECHNIQUE

A

The Van Herick technique is an eye examination method used to determine the size of the anterior chamber angle of the eye

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3
Q

NON- CONTACT TONOMETRY (NCT)

A

Non-contact tonometry is one method for testing the eye’s intraocular pressure by determining how resistant your cornea is to indentation

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4
Q

SLIT LAMP

A

a lamp which emits a narrow but intense beam of light, used for examining the interior of the eye.

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