Clinical Vol 3 No 5 • October/November 2012 • International Journal of Ophthalmic Practice CR-2 PLUS was pronounced (see Figure 13) which is in agreement with Shields et al (2008) who stated that the brightest change in FAF was seen with orange pigment which is much brighter than drusen FAF. They also concluded that the location, thick- ness and size of the nevus does not influence the FAF. In general, FAF imaging has the potential for separating a nevus from a small melanoma. Since Key points • Fundus autofluorescence (FAF) provides information about the fluorescence of the retina and the wellbeing of the retinal pigment epithelium (RPE). • The fluorescence mainly derives from lipofuscin which is an ocular pigment and a by-product from intracellular metabolism in the photoreceptors and the RPE. • In degenerative conditions, such as age-related macular changes, some cases will appear fully normal on a colour fundus image, but show abnormality on the FAF image. • FAF images should be regarded as a supplement to colour fundus images and has highest relevance when it comes to slow progressing conditions rather than acute conditions. Fundus autofluorescence • Colour fundus image • CR-2 PLUS • Lipofuscin Bindewald-Wittich A, Finger R, Holz FG (2010) Fundus autofluorescence in age- ralated maculopathy. In: Lois N and Forrester JV, eds. Fundus autofluores- cence. Lippincott William and Wilkins, Baltimore: 107–18 Bindewald A, Bird AC, Dandekar SS et al (2005) Classification of fundus autofluorescence patterns in early age-related macular disease. Investigative Ophthalmol Visual Sci 46: 3309–14 Bird AC (2010) Interpreting fundus autofluorescence. In: Lois N and Forrester JV, eds.