網膜

1. Origins, structure, and basic meaning

• Structure: 網膜(もうまく) is the anatomical term for the retina, the membrane inside the eye that receives light.
• Basic usage: It is used for the risk of bright light damaging the retina or for its condition shown in an examination. Typical patterns are 網膜を傷める and 網膜の状態を説明する.

2. Common pitfalls and similar expressions

• Treat it as one part of the eye
  • 網膜 is a technical term for a specific tissue inside the eye, not the eye as a whole.
• Difference from 角膜
  • 角膜(かくまく) is the transparent membrane at the front of the eye, while 網膜 is the light-receiving membrane inside it.