Table 2.

Correlation (Spearman) between personality type (according to FFI) and answers to the questionnaire

Questionnaire questions	Extraversion	Conscientiousness	Agreeableness	Neuroticism	Openness to experience
1. Do you see glare during daytime?	−0.13	−0.32**	−0.15*	0.20**	−0.08
(No, occasionally, yes)
2. Do you see glare in dim light or at night?	−0.11	−0.28**	−0.15*	0.14	−0.00
(No, occasionally, yes)
3. Do you see halo in dim light or at night?	−0.07	−0.17*	−0.18*	0.14	−0.04
(No, occasionally, yes)
4. If you see glare, does it cause fatigue?	−0.19*	−0.20**	−0.15*	0.17*	−0.08
(No, occasionally, yes)
5. Do you have difficulty establishing the distance to other vehicles when driving? (No, occasionally, yes)	−0.14	−0.28**	−0.21**	0.21**	−0.11
6. Do you have difficulty pouring water into a glass?	0.06	−0.16*	−0.06	0.13	−0.18*
(No, occasionally, yes)
7. Can you read the menu or the text on your mobile phone display easily? (Difficult, Neither difficult nor easy, Easy)	−0.00	0.28**	0.15	−0.23**	0.12
8. Do you use spectacles for far distance? (No, occasionally, yes)	0.01	−0.01	−0.13	0.18*	0.09
9. Do you use spectacles for near distance? (No, occasionally, yes)	−0.06	−0.21**	−0.25**	0.27**	−0.03
10. Had you known that the quality of your vision after the surgery would be the way it is at the moment, would you have wanted to have this IOL implanted? (No, yes)	0.17*	0.31**	0.20**	−0.23**	0.08
11. Would you recommend the implantation of this lens to your immediate family?	0.18*	0.32**	0.22**	−0.23**	0.02
(e.g. your brother, sister, spouse, etc. (No, yes)
12. Are you happy with the vision outcomes? (Not happy, neither happy nor unhappy, happy)	0.11	0.19*	0.19*	−0.26**	−0.04

−1 indicates perfect negative; (−1, −0.75) strong negative; (−0.75, −0.5) moderate negative; (−0.5, −0.25) weak negative; (−0.25, 0.25) no linear association; (0.25, 0.5) weak positive; (0.5, 0.75) moderate positive; (0.75, 1) strong positive; and 1 perfect positive

FFI five factor inventory

*p < 0.05; **p < 0.01