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  2. List of optometric abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_optometric...

    1 Eye examination terms. 2 Clinical conditions terms. 3 Contact lens terms. 4 Pharmacy and drug terms. 5 Examination types and enhanced care schemes. 6 External links.

  3. 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 .

  4. Tear break-up time - Wikipedia

    en.wikipedia.org/wiki/Tear_break-up_time

    Fluorescein 2% [2] is instilled into the lower fornix of patient's eye. Alternatively, impregnated fluorescein strip moistened with preservative (benzalkonium chloride) free saline solution can also be used. [6] The eye is examined under a slit lamp with a low magnification and a broad beam covering the whole cornea. The lamp is switched to a ...

  5. 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.

  6. Dilated fundus examination - Wikipedia

    en.wikipedia.org/wiki/Dilated_fundus_examination

    Dilated fundus examination (DFE) is a diagnostic procedure that uses mydriatic eye drops to dilate or enlarge the pupil in order to obtain a better view of the fundus of the eye. [1] Once the pupil is dilated, examiners use ophthalmoscopy to view the eye's interior, which makes it easier to assess the retina , optic nerve head , blood vessels ...

  7. Indocyanine green angiography - Wikipedia

    en.wikipedia.org/wiki/Indocyanine_green_angiography

    Indocyanine green angiography (ICGA) is a diagnostic procedure used to examine choroidal blood flow and associated pathology. Indocyanine green (ICG) is a water soluble cyanine dye which shows fluorescence in near-infrared (790–805 nm) range, with peak spectral absorption of 800-810 nm in blood.

  8. Slit lamp - Wikipedia

    en.wikipedia.org/wiki/Slit_lamp

    A fine strip of paper, stained with fluorescein, a fluorescent dye, may be touched to the side of the eye; this stains the tear film on the surface of the eye to aid examination. The dye is naturally rinsed out of the eye by tears. A subsequent test may involve placing drops in the eye in order to dilate the pupils. The drops take about 15 to ...

  9. Visual field test - Wikipedia

    en.wikipedia.org/wiki/Visual_field_test

    A visual field test is an eye examination that can detect dysfunction in central and peripheral vision which may be caused by various medical conditions such as glaucoma, stroke, pituitary disease, brain tumours or other neurological deficits.