Figure A

The different layers of retina at the macular area (modified from an idea of Bressler SB, et al. Am J Ophthalmol 1982;93:157-63)

Figure B

Fluorescein angiography of the macular area, showing normal vascular architecture and the capillary-free zone at the fovea

Figure C

A case of occult choroidal neovascularisation. The colour photograph shows a minimal degree of retinal oedema at the macular area. The next three frames show the hyperfluorescence of the macular area with poorly defined choroidal neovascularisation and leakage during the late phase