| c.gl. | correction with glasses |
|---|---|
| s.gl. | without correction without glasses |
| c | gl correction with glasses |
| glasses | Synonym: spectacles. 2. Lenses for correcting refractive errors in the eyes. (05 Mar 2000) |
|---|---|
| trifocal | Having three foci. See: trifocal lens. (05 Mar 2000) |
| trifocal lens | A lens with segments of three focal powers: distant, intermediate, and near. (05 Mar 2000) |
| trifocal glasses |
Glasses with three different corrections in each lens: one each for near, intermediate, and far vision.
Ãâó:
|
|---|
Á¦Ç°¸í |
ÆÇ¸Å»ç |
º¸ÇèÄÚµå | ¼ººÐ/ÇÔ·® | ±¸ºÐ/º¸Çè±Þ¿© |
|---|
Á¦Ç°¸í |
ÆÇ¸Å»ç |
º¸ÇèÄÚµå | ¼ººÐ/ÇÔ·® | ±¸ºÐ/º¸Çè±Þ¿© |
|---|