PMU141 DEVELOPMENT OF EQ-5D-5L BOLT-ONS FOR COGNITION AND VISION. - Sampson, C.; Addo, R.; Haywood, P.; Herdman, M.; Janssen, B.; Mulhern, B.; Page, K.; Reardon, O.; Rodes Sanchez, M.; Schneider, J.; Shah, K.; Thetford, C. (Value in Health, 2019)