Table 3.

Results of patients’ satisfaction survey

Question/rating	A small extent	A moderate extent	A large extent
Improvement of concentration during everyday activities, e.g.: reading, conversation, learning	10%	50%	40%
Better orientation in the close and distant environment, improvement of visual and spatial perception, e.g.: when shopping, using maps, perception of visual illusions	10%	35%	55%
Improving my visual and auditory memory	10%	35%	55%
Development of abstract, logical, comprehensive thinking which is supportive in drawing conclusions and solving problems	10%	30%	60%
In setting goals, planning and carrying out daily duties	10%	35%	50%
Finding more creative solutions to everyday activities, creative thinking	10%	25%	65%
The development of cognitive flexibility by changing habits and ways of thinking	10%	50%	40%
Answer to the question how my cognitive processes operate, i.e. the so-called thinking about thinking; and how can it be developed?	10%	45%	40%
Discovery of a typical style of thinking, its advantages and disadvantages	10%	35%	55%