Preschool Children Vision Screening
 

Ai-Hou Wang, Luke Long-Kuang Lin

Department of Ophthalmology
National Taiwan University Hospital










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Please measure the length of the black bar.

For 4 year-old, test at a distance 8.5 times the bar length.

For 5 year-old, test at a distance 10 times the bar length.

 For 6 year-old, test at a distance 11.5 times the bar length.

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Test Method

Click mouse nearby the target to see the answer.

Click mouse at any location over the block below the answer for more test.

Teach the children to find and point the opening of the square at nearby the computer. Then test at a distance shown above according to the age.

Cover one eye. Right and left eyes are tested separately.

If he/she does not answer correctly the child must have visual problems such as refractive error, squint or lazy eye.

Contact your eye doctor for examination.
 

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