Fig. 1
From: Title: efficacy of intravitreal dexamethasone implant on hard exudate in diabetic macular edema
Fundus photograph and measurement of hard exudate in a representative case.
a and c Fundus photograph of the same patient at baseline and last visit, respectively. b and d Hard exudate (HE) area analysis in a and c. Light green colored pixels indicate the identified HE. Vague tiny yellow particles are not marked as HE. Black circles are 3 mm and 8 mm diameter circles centered at the fovea. These circles are generated using superimposed optical coherence tomography fundus image as reference. HE area and HE1500 area are defined as the area of HE within 8 mm and 3 mm circle, respectively