眼

also 目

1. noun eye; eyeball
2. eyesight; sight; vision
3. look; stare; gaze; glance
4. notice; attention; observation; eyes (of the world, public, etc.)
5. an experience
6. viewpoint
7. discrimination; discernment; judgement; eye (e.g. for quality)
8. (an) appearance
9. chance (of success); possibility (of a good result)
10. spacing (between crossed strands of a net, mesh, etc.); opening; stitch; texture; weave
11. grain (of wood, paper)
12. eye (of a storm, needle, etc.)
13. intersection (on a go board); square (on a chessboard)
14. dot (on a dice); pip; rolled number
15. graduation; division (of a scale)
16. tooth (of a saw, comb, etc.)
17. suffix ordinal number suffix
18. usually in kana, after adjective stem somewhat; -ish
19. after -masu stem of verb point (e.g. of change)
20. noun, go (game) eye (empty space inside a group of stones)

まなこ

1. noun eye; eyeball
2. archaic pupil and (dark) iris of the eye
3. archaic insight; perceptivity; power of observation
4. archaic look; field of vision
5. archaic core; center; centre; essence

がん

1. noun eye
2. insight; vision; power of observation
3. rare gist; main point
4. rare hole
5. counter, go (game) counter for eyes of a group of stones