Page 33 - DUOKOPT BIBLIOBOOK

USABILITY

DUOKOPT

Usability Testing

The negative opinions and number (NB) of participants who gave them are detailed hereafter:

UK NB
Difficulty to remove the cap / Difficult opening / The cap slips 6

Large device / Strange shape / Complex look 5
Easy to open for children 2

Plastic tabs could be a little bit longer to help in handling and pumping 1

Pumping is stiff 1

France NB

It's not a pretty device / Complex look / I'm not familiar with the design / Complex design 5
Difficulty to remove the cap / Difficult opening / The tip slips 5
I can't see the fluid. So I can't know when it will be empty. 1

The upper tab slips a little bit. The tab should be shaped to fit the thumb 1

Too big. 1

2.7.2. DISCUSSION & CONCLUSION

The participants appreciated the shape of the device. Indeed, the 2 tabs are very useful and allow

an easy use and a good handling of the device. The participants easily push on the device to apply
a drop.

They also mentioned that the device was highly precise during the administration.
Most of the comments on this device are very positive.

Indeed, participants had few negative opinions. These remarks mostly concerned the opening of

the device and the cap which may slip.
The shape was judged original. Participants are not familiar with this design of the device.

Nevertheless, most of them liked this shape as it was judged very useful.

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19 Results June 2013