Fig. 1

A Multicolor fundus photograph of right eye displaying pronounced disc swelling and extensive retinal hemorrhage. The black arrow indicates the macular fold from the severe retina and optic disc swelling. B Normal left eye with a normal cup–disc ratio. C, D Images captured by indirect mobile ophthalmoscopy, inverted and flipped. The macular fold is well appreciated (black arrow), and subretinal exudation is clearly visible in the peripheral view (red arrow)