Optic Nerve Head Hemoglobin Levels in Glaucoma: A Structural and Functional Correlation Study

Figure 1

Examples of the optic nerve head: glaucomatous (a) and normal (b). Retinographies of the optic disc are represented in the upper images, and their pseudo-images referring the amount of hemoglobin are present in the lower images. A colorimetric scale (at the top of the lower images) indicates the amount of hemoglobin correspondent.

(a)

(b)