| CGMH | Chang Gung Memorial Hospital |
| DED | dry eye disease |
| ICC | intraclass correlation coefficient |
| K5M | Keratograph® 5M |
| LL | lipid layer |
| LLT | lipid layer thickness |
| MGD | meibomian gland dysfunction |
| NIKBUT | non-invasive keratographic break-up time |
| OSDI | ocular surface disease index questionnaire |
| ROI | region of interest |
| RGB | red, green, and blue scales |
| TFOS DEWS | The Tear Film and Ocular Surface Society in the Dry Eye WorkShop |
| TMH | tear meniscus height |
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