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. 2017 Oct 12;135(10):1030–1036. doi: 10.1001/jamaophthalmol.2017.3151

Table 3. Participants’ Perceptions of Self-tonometry Following the Training Session and Assessment.

Perception No. Responding Likert Rating, No. (%) Score, Mean (SD)
1: Strongly Disagree 2: Disagree 3: Neutral 4: Agree 5: Strongly Agree
“How Easy Was the Device to Use?”
Overall 96 3 (3) 8 (8) 25 (26) 35 (36) 25 (26) 3.75 (1.02)
Partially successful 79 0 (0) 4 (5) 19 (24) 34 (43) 22 (28) 3.96 (0.84)
Unsuccessful 17 3 (18) 4 (24) 6 (35) 2 (12) 2 (12) 2.89 (1.26)
“How Comfortable Was It to Take Measurements?”
Overall 96 0 (0) 2 (2) 6 (6) 29 (30) 59 (61) 4.51 (0.71)
Partially successful 79 0 (0) 1 (1) 5 (6) 20 (25) 53 (67) 4.58 (0.67)
Unsuccessful 17 0 (0) 1 (6) 1 (6) 9 (53) 6 (35) 4.00 (0.81)
“Would You Be Happy to Use the Device in the Future?”
Overall 95 9 (9) 3 (3) 4 (4) 18 (19) 61 (64) 4.25 (1.27)
Partially successful 78 1 (1) 1 (1) 4 (5) 15 (19) 58 (73) 4.62 (0.76)
Unsuccessful 16 8 (50) 2 (13) 0 (0) 3 (19) 3 (19) 2.61 (1.71)