[Summary]
This application tests whether there is abnormality in the foveal vision.

[Special features]
-Select a chart of black or white.
-Scaling the chart by pinch.
-Save the history.
-Print the results.

[How to use]
-Please inspect it with single eye is covered, and the corrective lens worn if necessary.
-Please inspect it by the distance of about 30cm.
-Please advance the inspection by answering the question displayed on the application.

[Caution!!]
This application doesn't guaranty whether the foveal vision is normal or abnormal.
If you hope for the accurate diagnosis, you should undergo an examination as an ophthalmologist.