| Excellent | Dry eye and its concomitant symptoms were completely improved, the treatment demonstrated clear therapeutic effect, or daily life activities were obviously improved. |
| Good | Dry eye and its concomitant symptoms still remain; however, they have greatly improved compared to before participating in this trial. |
| Fair | Dry eye and its concomitant symptoms remain; however, they are slightly improved or tend to improve after the trial. |
| Same | Little change is observed comparing before and after the trial. |
| Aggravation | Dry eye symptoms are more severe than before participating in this trial. |