Subjective evaluation
bad posture, HT
DOUBLE VISION
Most participants preferred LT loupes (5 for own; 11 for LT; 2 for HT; 1 for own or LT depending on the surgery case; 1 for “own loupes for now or HT if double vision can be fixed”). For the LT loupes, nine participants stated that they liked the visual functions of the loupes because of their good spatial orientation (Regarding the HT loupes, five participants mentioned feeling “relaxed/relieved” in the neck. Six participants stated that the HT loupes had good visual functions, including clear vision (Regarding their own loupes, four participants stated that they were used to their own loupes and that they fit well. While four participants expressed that their own loupes caused them to have a bad posture, three mentioned that their own loupes were old and needed visual adjustment.