Figure 2. Surviving retinal ganglion cells distribution in the retina in a rat model of chronic glaucoma. Three groups of animals: A: control, B: EGb761-treated for 5 months, and C: vehicle-treated. A difference between surviving retinal ganglion cells distribution in eyes with elevated IOP that were treated with EGb 761 and vehicle. Reproduced with permission from Hirooka et al. [71].