Question 1: How do you distinguish a true disc pallor from a glaucomatous disc appearance?

Question 1: How do you distinguish a true disc pallor from a glaucomatous disc appearance?

Answer

Glaucomatous optic neuropathy is associated with disc cupping and focal thinning of the neuroretinal rim. Cupping typically starts in the superior and inferior regions, leading to vertical enlargement of the cup. Other glaucomatous features include posterior bowing of the lamina cribosa, visible laminar pores (laminar dot sign), bayoneting and nasal shifting of the retinal vessels, disc haemorrhages and increasing peripapillary atrophy. The main feature that distinguishes glaucomatous discs from disc pallor due to atrophy is the well-perfused neuroretinal rim in glaucomatous discs.

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