Asteroid hyalosis (Benson’s disease) is a benign condition characterized by multiple-yellow-white, round, birefringent particles composed mainly of calcium-phosphate attached to the vitreous.
The incidence has been estimated to be 0.5%.
The cause of asteroid hyalosis is unknown, but it has been associated with hyperopia, diabetes mellitus, hypertension and hypercholesterolemia.
Clinically the asteroid bodies remain attached to the vitreous’ collagenous framework, moving only when this network oscillates. They appear golden under retroillumination and white under direct illumination. This pathology is usually unilateral (75%) and found in elderly patients over 60 years of age.
Retinography is sometimes difficult in these patients due to the numerous flash reflections originating...