Fig. 1

Fundus photograph taken in 2001 (a), 2006 (b) and in 2011 (c) of a highly myopic eye with a refractive error of − 20.0 diopters and an axial length of 30.69 mm. The image taken in 2001 shows a lacquer crack (black arrows) which is no longer detectable in the images taken in 2006 and 2011. Note: Marked enlargement of parapapillary gamma zone (green arrows); black asterisks: markings of a large choroidal vessel as fundus landmark