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  2. Lea test - Wikipedia

    en.wikipedia.org/wiki/Lea_test

    The first version of the LEA test was developed in 1976 by Finnish pediatric ophthalmologist Lea Hyvärinen, MD, PhD. Dr. Hyvärinen completed her thesis on fluorescein angiography and helped start the first clinical laboratory in that area while serving as a fellow at the Wilmer Eye Institute of Johns Hopkins Hospital in 1967.

  3. 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.

  4. 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 ).

  5. Fundus photography - Wikipedia

    en.wikipedia.org/wiki/Fundus_photography

    Red free photography is also regularly used as a base line photo prior to Angiography. [13] Angiography is a process of photographing/recording vascular flow within the retina and surrounding tissue by injecting a fluorescent dye into the blood stream. This dye fluoresces a different colour when light from a specific wavelength (excitation ...

  6. 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.

  7. Angiography - Wikipedia

    en.wikipedia.org/wiki/Angiography

    Angiography or arteriography is a medical imaging technique used to visualize the inside, or lumen, of blood vessels and organs of the body, with particular interest in the arteries, veins, and the heart chambers.

  8. Template:Angiography - Wikipedia

    en.wikipedia.org/wiki/Template:Angiography

    It can be transcluded on pages by placing {{Angiography}} below the standard article appendices. Initial visibility This template's initial visibility currently defaults to autocollapse , meaning that if there is another collapsible item on the page (a navbox, sidebar , or table with the collapsible attribute ), it is hidden apart from its ...

  9. Fluorescein (medical use) - Wikipedia

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

    Fluorescein is a dye which is taken up by damaged cornea such that the area appears green under cobalt blue light. [3] There is also a version that comes premixed with lidocaine. [4] [8] Fluorescein was first made in 1871. [9] It is on the World Health Organization's List of Essential Medicines. [10]