Eye Physics Model RB21e
20x16 semi-elliptical with broad notch.
Base coverage at 5mm Rx height: 11x9 tumor + 2mm margin.
2 mm thick.
18-K gold alloy.
21 seed positions.
Posterior seed orientation spares macula and optic disc.
Posterior notch facilitates placement adjacent to the optic nerve.
3rd generation design.
For 22 mm diameter (baby) eye.
Model RB21e-22 for 22 mm diameter baby eye sample dosimetry