Opsm tooks the eye test to children by creating Penny the Pirate, available for free as a book and interactive app, it’s the first medical tool to test children’s eye health as you a read a story to them. There wasn’t a standard eye screening tool for children, so we had to start from scratch.Penny is on track to give 300,000 children an eye test, which has already seen a huge increase in kids eyewear sales since launch. The app has also reached number one Health & Fitness App in the App Store.