價格：免費
檔案大小：1.3 MB
版本需求：需要 iOS 7.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
This is a relatively fast and easy visual acuity testing app that is strictly for screening purposes only.
It should not be used to replace the conventional Snellen chart or EDTRS chart for vision testing.
支援平台：iPhone, iPad