Fundus photography involves capturing a photograph of the back of the eye i.e. fundus. Specialized fundus cameras that consist of a microscope attached to a flashed enabled camera are used in fundus photography. The main structures that can be visualized on a fundus photo are the central and peripheral retina, optic disc andmacula. Fundus photography can be performed with colored filters, or with specialized dyes including fluorescein and indocyanine green.
Fundus photography is used to inspect anomalies associated to diseases that affect the eye and to monitor the progression of the disease. It is vital for disease processes such as macular degeneration, retinal neoplasms, choroid disturbances and diabetic retinopathy. Additionally it aids in identifying glaucoma, multiple sclerosis, and other central nervous system abnormalities. It evaluates irregularities in the fundus, monitors the progression of a disease, management and therapeutic outcome. They are crucial to create a starting point to better understand a disease’s progression. Fundus photographs may be useful if there is a new disease affecting the fundus and for the planning of additional management options. The medical necessity of fundus photography and other diagnostic imaging must be recorded in an orderly fashion so that the clinician is able to compare photographs of a patient from different timelines.
FFA procedure comprises of injecting a dye-FLUORESCEIN-into one of your veins in the arm and either taking serial photographs of its passage within the inner structures of the eye – the retina and choroid or examining the inside of your eye with an instrument called the ophthalmoscope with appropriate filters.
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