Fix your vision with this app
visionblocks.me
visionblocks.me
1- Get a nicer landing page, use https://www.strikingly.com/ Or http://www.weebly.com/
2- It's good to talk about more specifics, because when you over-generalize your product, specially something related to health, it will sound sketchy!
3- Give an example, to at least get initial interest of those people who have that specific eye-sight issue can resolve it.