[visionlist] [cvnet] Seeking advice on touchscreens

Gislin Dagnelie gislin at lions.med.jhu.edu
Wed Oct 4 15:58:24 -05 2017


Thanks, Yury.

Most of our tests are at arm's length, so an iPad is too small to allow the 
necessary eccentricity range, unfortunately.

Best, Gislin


On 4 Oct 2017 at 20:30, Yury Petrov <yury.petrov.4u at gmail.com> wrote:

Apple has nice touch screens. Did you try iPad? I use them for eye-hand 
coordination test.

On Wed, Oct 4, 2017 at 10:41 AM, Gislin Dagnelie 
<gislin at lions.med.jhu.edu> wrote:

Dear colleagues,

For some of the eye-hand coordination tests and phosphene mapping tests
in my lab we have been using touchscreens for a number of years, but we've
not always been happy with their reliability.

With some, it appears that proximity of the finger is enough to register a
response, whereas with others a finger press goes unnoticed if the area
touched is too wide or the pressure too low.

Has anyone found a type/brand/model that they worked reliably for many
subjects?

If you have given upon touchscreens, what alternative (e.g., a 3-D tracker)
have you used instead?

Please feel free to respond in private or to the list.  I'll compile the responses
I get by this weekend.

Best regards,

Gislin Dagnelie

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