| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | eyepiece | microscope users | A critical component for magnifying and observing tiny objects | 1 |
| 2 | eyepiece | microscopy | A vital part of a microscope, used for magnifying and observing tiny specimens | 1 |
| 3 | eyepiece | microscopy | Essential component for observing celestial objects in astronomy or for magnifying specimens in microscopy | 1 |