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. 2025 Jul 7;25:1015. doi: 10.1186/s12909-025-07503-1

Table 2.

CVS categories

Mean Std. Deviation
CVS Freq X Intensity 12.3933 7.62484
Burning 0.7191 0.67210
Itching 0.5674 0.75797
Foreign Body 0.4494 0.63799
Tearing 0.6798 0.70007
Blinking 0.8588 0.91536
Redness 0.8933 0.91124
Eye Pain 0.7865 0.88262
Heavy Eyelid 1.0281 0.98823
Dryness 1.2640 1.15125
Blurred Vision 0.9326 0.98918
Double Vision 0.2022 0.63209
Difficulty Focusing 0.6067 0.91587
Sensitivity to Light 0.8146 0.99967
Colored Halos 0.3371 0.56135
Sight is Worsening 0.9775 1.14465
Headache 1.2809 1.08392