VSSim: Feedback

Visual
Snow
Simulator

Website usability

How user-friendly did you find the website?

Challenging

Neutral

Great

How clear was the explanation of the "zoom" concept (instructions)?

Incomprehensible

Difficult

Clear

How clear was the explanation of the simulator parameters (instructions)?

Incomprehensible

Difficult

Clear

How clear was the explanation of the simulator images (instructions)?

Incomprehensible

Difficult

Clear

Further comments / suggestions regarding the website usability

Simulation of your VS

How well could you simulate your VS overall?

Poorly

Moderately

Well

Was the "zoom" concept helpful?

Not at all

To some extent

Absolutely

How well could the VS be described by the available parameters?

Poorly

So so

Well

Did the images evoke VS as experienced in real life?

Not at all

Not all images

Not all VS

Yes

VS potentially changes with the local background. Was this a limiting factor?

Not at all (no changes)

No (negligible changes)

Partially (manageable changes)

Definitely limiting (countless changes)

Did the adjustments transfer from one image to another?

Did not try

Sometimes

Yes

Further comments / suggestions regarding the VS simulation

How dense is your Visual Snow?

Minimal (very thin distribution of dots) - Does not mask vision.

Minimal to moderate (faint distribution of dots) - Slight masking of vision.

Moderate - Some masking of vision.

Strong - Substantial masking of vision. Still able to see through.

Very strong. Distracting masking of vision. Barely able to see through.

Extreme - Not able to see through.

How fast is the flickering of your Visual Snow?

How much does the visibility of your Visual Snow depend on different surfaces?

Can be seen on few surface.

Can be seen on many surfaces.

Can be seen on most, but not all surfaces.

Can be seen on all surfaces.

What is the level of distraction caused by your Visual Snow?

Able to see without concentrating. Can be ignored most of the time.

Able to see without concentrating. Can be ignored sometimes.

Able to see without concentrating. Cannot be ignored.

Able to see only when concentrated.

How many hours do you experience Visual Snow on an average day?

< 8hrs/d

8-16 hrs/d

16-24 hrs/d

How does the severity of your Visual Snow depend on daytime?

How big are the dots of your Visual Snow compared to a rice grain on my plate?

What's the color that best describe your Visual Snow?

How strong is your Visual Snow outdoors during a sunny day (7=strongest)?

How strong is your Visual Snow outdoors during a cloudy day (7=strongest)?

How strong is your Visual Snow outdoors during a rainy day (7=strongest)?

How strong is your Visual Snow indoors (7=strongest)?

How strong is your Visual Snow with fluorescent lighting (7=strongest)?

How strong is your Visual Snow outdoors at night-time (7=strongest)?

Further comments / suggestions regarding the subjective rating

Contact information

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Your email address

Your question (if any)