● This service is a service that tests vision on PCs and smartphones through the Internet.
● You can easily do eye examinations at home without going to the ophthalmology and optician.
● You can check your vision before and after treatment and surgery, such as LASIK, LASEK, and lens insertion.
● Adults and children (children who can recognize numbers) can all be tested.

START

1. The method of use is very simple and easy.
2. Press the "Start Inspection" button, place a Quarter Dollar coin on the screen, and press the zoom button to make the size the same.
3. For accurate measurement, measure your eyesight 3 meters away from the monitor screen.
4. Cover one eye when measuring and measure the other eye the same.
5. Measure by moving ↑ up ↑ down using the "mouse wheel".
6. When the measurement is finished, press the "ESC" or the "Original Screen" button on the screen on the PC and press the "Back" button on the mobile it self.

- Precautions -
· Accuracy may be poor for children with low discernment or lens opacity.
· Don't put pressure on one eye.
· Measure using Google's Chrome browser as much as possible.