This condition occurs when components of the macula thin out with age, and drusen ... lights, peripheral shadows or curtains, ...

Retinal arterial obstruction in children and ... The pattern visual evoked potential and pattern electroretinogram in drusen-associated optic neuropathy. Arch Ophthalmol 1992;110:75–81.

Consuming two handfuls of pistachios a day can protect against age-related macular degeneration (AMD), a leading cause of vision loss in older adults.