Table 6: MQ, OSDI, and SEEQ evaluated according to the severity of dry eye.

Non-dry eye ()Mild-to-moderate dry eye ()Severe dry eye ()

MQ7.0 ± 4.615.2 ± 4.519.4 ± 2.7
OSDI15.3 ± 9.932.2 ± 12.544.9 ± 11.7
Eye symptoms’ dimension10.9 ± 12.427.4 ± 18.439.3 ± 27.0
Visual function dimension11.8 ± 11.020.2 ± 11.731.8 ± 7.8
Environmental trigger dimension24.8 ± 19.136.4 ± 23.948.8 ± 18.4
SEEQ0.1 ± 0.31.2 ± 0.81.9 ± 0.9

There was no statistically significant difference either between the non-dry eye group and the mild-to-moderate dry eye group in the dimension “environmental trigger” or between the mild to moderate dry eye group and severe dry eye group in the dimension of “eye symptoms,” and “environmental trigger” and SEEQ scores were not statistically different. All other comparisons among different groups exhibited statistically significant differences. MQ: McMonnies Questionnaire; OSDI: Ocular Surface Disease Index; SEEQ: Salisbury Eye Evaluation Questionnaire.