Above: Various ancient glass beads with eyes and stripes.
Designed to imitate naturally banded agate. 

Above: more glass beads that imitate banded agate.

Above: glass imitating banded agate.

Above: glass imitating banded agate.

Above: glass imitating banded agate.

Above: glass imitating banded agate.

Above: glass imitating banded agate

Above: glass imitating banded agate

Above: glass imitating banded agate

Above: Antique glass imitation dZi beads. Possibly of Chinese origin. 

The large nine eye (55 mm x 14 mm) is ceramic and 

is probably a mid 20th C bead from India.

Above: This four eyed glass bead is distinct in that it has yellow lines.
28 mm x 12 mm

Above: This two eyed glass bead is distinct in that it has orangey brown lines.
22 mm x 11 mm

Above: This nine eyed glass bead is distinct in that it has
additional red rings around some of the eyes.