I-125 Ophthalmic Seeds

Particularly high activity for eye tumor treatments

IsoSeed® I25.S16 is used for the treatment of eye tumors, such as uveal melanomas and retinoblastomas. With apparent activities covering a wide range up to 25 mCi, it is even suitable for treating medium-sized to large eye tumors, opening up treatment options beyond Ru-106 Eye Applicators.

Key Features

Have a look at the white paper “Therapeutic Modalities for Uveal Melanoma and Retinoblastoma: Pros and Cons” written by Prof. Bertil Damato, one of the world’s leading ocular oncologists.

Detail Information

Guaranteed Biocompatibility

The titanium capsule of IsoSeed® I25.S16 meets ASTM F67 requirements. The finished products have been tested for biocompatibility. 


The certified source strength is based on air kerma measurements of IsoSeed® which are traceable to the primary standard of the PTB (Physikalisch-Technische Bundesanstalt = National Metrology Institute of Germany). Along with the NIST (National Institute of Standards and Technology), the PTB is a member of the Mutual Recognition Agreement.

Quality “Made in Germany”

The seed production at Eckert & Ziegler Medical is performed at the manufacturing facility in Berlin, Germany. It operates under strict quality and regulatory standards. Each single IsoSeed® is required to pass rigorous quality inspections at every production stage before proceeding to the next step.

Intraocular Melanoma Treatment with Brachytherapy

Product specific questions?

Eckert & Ziegler
Robert-Rössle-Str. 10
13125 Berlin

+49 30 94 10 84 130
+49 30 94 10 84 112
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