The Boston team investigated whether there was an association between the development of cataracts and lead levels in two bones - the tibia (shin bone) and the patella (kneecap).
Livesey, 24, has patella tendonitis - a disease in the tendon that causes inflammation in the knee while Bridge Wilkinson is recovering from an operation to remove floating bone in his big toe.
Edinburgh coach Rob Moffat was able to include Jim Hamilton in the team for the second leg of the 1872 Cup, after the Scotland lock had been out for four months with patella tendonitis.