Which disorder causes damage to the optic nerve due to poor blood flow, disease, trauma, or exposure to toxic substances?

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Multiple Choice

Which disorder causes damage to the optic nerve due to poor blood flow, disease, trauma, or exposure to toxic substances?

Explanation:
Damage to the optic nerve from reduced blood flow, disease, trauma, or exposure to toxins leads to optic nerve atrophy. When nerve fibers die, the optic disc becomes pale and vision loss occurs depending on which fibers are affected. This description fits optic nerve atrophy best. Optic neuritis is an inflammatory process of the nerve, glaucoma is mainly due to elevated intraocular pressure, and keratitis affects the cornea, not the optic nerve.

Damage to the optic nerve from reduced blood flow, disease, trauma, or exposure to toxins leads to optic nerve atrophy. When nerve fibers die, the optic disc becomes pale and vision loss occurs depending on which fibers are affected. This description fits optic nerve atrophy best. Optic neuritis is an inflammatory process of the nerve, glaucoma is mainly due to elevated intraocular pressure, and keratitis affects the cornea, not the optic nerve.

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