Table 1

Response for questionnaire regarding the experience of surgical performance using DAVS and AM

CriterionConsultants, n (%)Fellows, n (%)
Number of respondents1112
YesNoYesNo
Do you feel colours of DAVS are natural6 (54.5)5 (45.4)5 (41.7)7 (58.3)
Able to obtain high-quality image on DAVS after white balancing9 (81.8)2 (18.2)10 (83.3)2 (16.7)
Problem with depth judgement using DAVS4 (36.4)7 (63.6)6 (50.0)6 (50.0)
Problem with depth judgement using AM011 (100.0)2 (16.7)10 (83.3)
Problem with hand–eye coordination using DAVS1 (9.1)10 (90.1)4 (33.3)8 (66.7)
Problem with hand–eye coordination using AM011 (100.0)2 (16.7)10 (83.3)
Problem in changing from PS to AS using DAVS4 (36.4)7 (63.6)10 (83.3)2 (16.7)
Problem in changing from PS to AS using AM2 (18.2)9 (81.8)6 (50.0)6 (50.0)
Back or neck pain problem after OR day4 (36.4)7 (63.6)6 (50.0)6 (50.0)
Is the pain less with DAVS6 (54.5)Similar: 5 (45.4); more - 07 (58.3)Similar: 5 (41.7); more: 0
Asthenopia symptoms while using DAVS2 (18.2)9 (81.8)3 (25.0)9 (75.0)
Asthenopia symptoms while using AM2 (18.2)9 (81.8)2 (16.7)10 (83.3)
Dry eye symptoms while using DAVS2 (18.2)9 (81.8)2 (16.7)10 (83.3)
Dry eye symptoms while using AM2 (18.2)9 (81.8)3 (25.0)9 (75.0)
Difficulty in frequent switching between DAVS and AM and vice versa5 (45.4)6 (54.5)2 (16.7)10 (83.3)
Performance anxiety while operating on DAVS2 (18.2)9 (81.8)5 (41.7)7 (58.3)
Problem wearing 3D glasses over spectacles2 (18.2)9 (81.8)2 (16.7)10 (83.3)
Difficulty in maintenance of DAVS6 (54.5)5 (45.4)9 (75.0)3 (25.0)
OR feels crowded due to DAVS screen9 (81.8)2 (18.2)8 (66.7)4 (33.3)
Do you feel it will be difficult to operate if size of the display is reduced7 (63.6)4 (36.4)7 (58.3)5 (41.7)
Do you think DAVS will replace AM7 (63.6)4 (36.4)7 (58.3)5 (41.7)
  • AM, analogue microscope; AS, anterior segment; 3D, three dimensional; DAVS, digitally assisted vitreoretinal surgery; OR, operating room; PS, posterior segment.