Final answer:
When evaluating the color of the optic disc, abnormalities such as pale, white, or red discoloration can denote various conditions like optic nerve damage or glaucoma. Atrophy of the optic disc can be caused by conditions such as optic neuritis or high blood pressure.
Step-by-step explanation:
When evaluating the color of the optic disc, you should look for abnormalities such as pale, white, or red discoloration. Abnormalities in the color of the optic disc can denote various conditions, such as optic nerve damage, glaucoma, or inflammation. Atrophy of the optic disc can be caused by conditions like optic nerve damage, optic neuritis, or long-term high blood pressure.