Medical Retina & the Posterior Segment:
                         Case seventeen

---

This 40 year-old man was referred by his optician because of the above lesion in his left peripheral fundus. He was otherwise fit and well and the visual acuity was 6/6 in both eyes.

a. What is the most likely diagnosis?

b. What features suggest that this is not a choroidal naevus?

c. What is the significance of this lesion?