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The Eye -Q – Diagnostic Tests & Procedures & A – Meaning
Question | Answer |
---|---|
distance visual acuity | measure of the ability to see the details and shape of identifiable objects from a specified distance, usually from 20 feet (6 meters); normal distance visual acuity is 20/20 (6/6) |
fluorescein angiography | visualization and photography of retinal and choroidal vessels made as fluorescein dye, which is injected into a vein, circulates through the eye |
ophthalmoscopy | use of an ophthalmoscope to view the interior of the eye |
slit lamp biomicroscopy | use of a tabletop microscope used to examine the eye, especially the cornea, lens, fluids, and membranes |
sonography | use of high-frequency sound waves to detect pathology within the eye (e.g., foreign bodies and detached retina) |
tonometry | use of a tonometer to measure intraocular pressure, which is elevated in glaucoma |