perspicacious /ˌpɜːrspɪˈkeɪʃəs/ /ˌpɜːspɪˈkeɪʃəs/
discerning /dɪˈsɜrnɪŋ/ /dɪˈsɜːnɪŋ/
perceptive /pərˈseptɪv/ /pəˈseptɪv/
blind /blɑɪnd/ /blaɪnd/
blind person