Surgical procedure to relieve pressure on optic nerve.

Normal eye anatomy illustration with cross-section and labels. Labels are optional.

Normal eye anatomy illustration with oblique view, cross-section and labels. Labels are optional.

Cross-section illustration of an eyeball showing the eye cut in half with retina, vitreous, lens

Normal eye anatomy illustration depicting a unique cross-section view. Optional labels available.

Illustration demonstrating optic disc cupping of 0.6

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Illustration demonstrating severe, complete optic disc cupping of 0.9

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Graphic illustration of optic nerve head cupping progression in glaucoma.

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Human retina illustration with no labels. Optional labels available.

Normal eye anatomy cross-section with optional labels removed.

Neovascularization of the disc (NVD) in proliferative diabetic retinopathy

Retina anatomy illustration with labels of macula and optic nerve head. Labels are optional.