eye

1. Origins, structure, and basic meaning

• Structure: 眼 has 11 strokes and concerns eyes and sight.
• Basic usage: 眼鏡 is read めがね, and 肉眼 is read にくがん.

2. Common pitfalls and similar expressions

• A whole-word reading and unaided sight
  • 眼鏡 is read as a whole word, めがね.
  • 眼鏡を外す means to take off one's glasses.
  • The 眼 in 肉眼 is read がん.
  • 肉眼ではほとんど見えない means almost invisible to the naked eye.
  • Before a negative expression, ほとんど means almost, making the statement weaker than complete invisibility.