diff --git a/README.md b/README.md
index 272520f..b21bc73 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,9 @@
 ![optical disc and macula](https://raw.githubusercontent.com/pontikos/retinal_imaging/master/images/Figure-41.jpg "Light image")
 
 Image processing of retinal images.  Identification of veins (angiography) or various other features.
+The two most prominent features are the optic disc (from where the veins stem) and the macula where the rods and cones lie.
 
+More example photos can be found below.
 This is a good resource: http://retinagallery.com/
 
 On retinal imaging: