Fig. 2.

Utility values ranging from moderate visual impairment to hand motion/no light perception based on different sources (Lloyd et al. [18], Brown et al. [17]). The utility values used in the US-ICER model with one health state with varying visual impairment based on an exponential function were translated to the five health states used in the other models. HS health state, HUI health utility index, NICE National Institute for Care and Excellence, TTO time trade-off, UK United Kingdom, US ICER United States Institute for Cost-Effectiveness Research, ZIN Zorginstituut Nederland