(physics, optics) invisible, unable to be seen

a ray of light / a spectrum

(dated) to be seen; to be found / (having seeing ability): able to see (ja: 目が見える、目の見える) / (within sight): visible (ja: 目に見える) / (easily predictable): apparent (ja: 目に見える)

(humble) to meet with someone, to have an audience with someone / to make an appearance, to be present / (possibly archaic) to serve someone, such as a master or husband

(lost seeing ability): blind / (micro): micro / (out of sight): invisible, hidden / (speed): high-speed, rapid / (sense): noise, smell, temperature, energy, health, mentality / (transparent): transparent

human, person, human being / personality, character / (Buddhism) literally meaning: "human society", referring to one of the six realms of reincarnation in Buddhist cosmology.

(archaic) the world in which people live; the world, society

(dated, rare) a place devoid of people

eye

photophobia