残像

1. Origins, structure, and basic meaning

• Structure: 残像 is read ざんぞう and means an image that remains visible after the original stimulus is gone.
• Basic usage: In 強い光を見た後、目に白い残像が残った。, a white afterimage remains after the speaker looks at a bright light.

2. Common pitfalls and similar expressions

• Visual and figurative uses
  • An afterimage that remains in the eyes (目に) is a visual phenomenon. 残像のように心に残った compares an enduring mental impression to an afterimage.