Neutral term for a person who has lost their sight. Often used in medical, social welfare, or formal contexts.
Assistive technology for blind people is advancing.
しかくしょうがいしゃ is a broader term for visually impaired persons, including those with partial sight, whereas 失明者 refers to those who are completely blind.
Compound of 失明 (loss of sight) + 者 (person).