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  2. Fluorescein angiography - Wikipedia

    en.wikipedia.org/wiki/Fluorescein_angiography

    The fluorescein is administered intravenously in intravenous fluorescein angiography (IVFA) and orally in oral fluorescein angiography (OFA). The test is a dye tracing method. The fluorescein dye also reappears in the patient urine, causing the urine to appear darker, and sometimes orange. [2] It can also cause discolouration of the saliva.

  3. Optical coherence tomography angiography - Wikipedia

    en.wikipedia.org/wiki/Optical_Coherence...

    The most common angiographic techniques were fluorescein (FA) or indocyanine green angiography (ICGA), which both involve the use of an injectable dye. Intravenous dye injection is time-consuming and can have adverse side effects.

  4. Fluorescein (medical use) - Wikipedia

    en.wikipedia.org/wiki/Fluorescein_(medical_use)

    Fluorescein is used to help in the diagnosis of a number of eye problems. [3] When applied as a drop or within a strip of paper to the surface of the eye it is used to help detect eye injuries such as foreign bodies and corneal abrasions .

  5. Central retinal artery occlusion - Wikipedia

    en.wikipedia.org/wiki/Central_retinal_artery...

    Fluorescein angiogram of a person with central retinal artery occlusion Ocular coherence tomogram (OCT) of a person with central retinal artery occlusion. One diagnostic method for the confirmation of CRAO is Fluorescein angiography, it is used to examine the retinal artery filling time after the fluorescein dye is injected into the peripheral venous system. [2]

  6. Dye tracing - Wikipedia

    en.wikipedia.org/wiki/Dye_tracing

    For example, fluorescent angiography, a technique of analysis of circulation in retina is used for diagnosing various eye diseases. With modern fluorometers, capable of tracking single fluorescent molecules, it is possible to track migrations of single cells tagged by a fluorescent molecule (see fluorescein in biological research).

  7. Reference ranges for blood tests - Wikipedia

    en.wikipedia.org/wiki/Reference_ranges_for_blood...

    Reference ranges (reference intervals) for blood tests are sets of values used by a health professional to interpret a set of medical test results from blood samples. Reference ranges for blood tests are studied within the field of clinical chemistry (also known as "clinical biochemistry", "chemical pathology" or "pure blood chemistry"), the ...

  8. Intraretinal microvascular abnormalities - Wikipedia

    en.wikipedia.org/wiki/Intraretinal_Microvascular...

    Since IRMA blood vessels are patent, unlike neovascular vessels, they do not leak, and therefore exhibit hyperfluorescence on fluorescein angiography. IRMA is deeper in the retina than neovascularization, has blurrier edges, is more of a burgundy than a red, does not appear on the optic disc , and is usually seen after a shorter period of ...

  9. Fluorescein - Wikipedia

    en.wikipedia.org/wiki/Fluorescein

    Fluorescein-labelled probes can be imaged using FISH, or targeted by antibodies using immunohistochemistry. The latter is a common alternative to digoxigenin, and the two are used together for labelling two genes in one sample. [23] Fluorescein drops being instilled for an eye examination