| MDPI | Multidisciplinary Digital Publishing Institute |
| DED | Dry eye disease |
| ATD | Aqueous tear deficiency |
| MGD | Meibomian gland dysfunction |
| DEQ5 | 5-Item Dry Eye Questionnaire 5 |
| OSDI | Ocular Surface Disease Index |
| TBUT | Tear break-up time |
| NK | Neurotrophic keratitis |
| ATs | Artificial tears |
| tCFS | Total corneal fluorescein staining |
| MGS | Meibomian gland secretion |
| IVCM | In vivo confocal microscopy |
| CsA | Cyclosporine |
| ASTs | Autologous serum tears |
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