This application tests whether there is abnormality in the foveal vision.
-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.
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.