definiens: means the use of Genome Editing Technology in connection with the Research, Development, Manufacture, Commercialization or other exploitation of ( a ) α -β T - Cells or ( b ) Other Derived T -Cells ; provided, however, that ( i ) to the extent that, due to the Allergan Agreement, Editas does not have the right to grant rights hereunder to Juno to use Genome Editing Technology on α -β T - Cell or Other Derived T -Cell products specifically intended for the treatment, control, mitigation, prevention or cure of any disease ( excluding cancer ) of the eye or its adnexa ( the ), then the Licensed Field shall exclude the Excluded Ocular Field and ( i i ) to the extent that, due to the Beam Agreement, Editas does not have the right to grant rights hereunder to Juno to use Base Editing technology on α -β T - Cell or Other Derived T -Cell products specifically intended for any field outside of cancer ( the ), then the Licensed Field shall exclude the Excluded Base Editing Non -Cancer Field