Diminished clarity of vision.

Drusen (singular, 'druse') are tiny yellow or white accumulations of extracellular material (lipofuscin) that build up in Bruch's membrane of the eye.

Increased amount of pigmentation in the fovea centralis.

A spectrum of fundoscopic appearances characterized by the development of a variety of patterns of deposits predominantly in the macular area. The deposits are typically bilateral, relatively symmetrical, yellow/white and associated with changes at the level of the retinal pigment epithelium. With time, retinal atrophy may occur. A number of pattern dystrophy subtypes have been described including butterfly-shaped dystrophy, reticular dystrophy (net-like pattern) and fundus pulverulentus (granular, mottled pigmentation).