That's most unfortunate. Unfortunately buying a bucket load of iPad 2 's is not practical. You must understand that new technology will come along over time that may assist your medical issue. iPad 2 is obsolete and the operating system will change every year. Yes yu could keep the iOS on the current version however over time you will be restricted on what you can access due to compatible issues. Many Apps will not be able to be upgraded some will crash and on it goes. Look we are here to assist and understand your dilemma have you considered buying Apple TV and mirror the iPad to a TV screen ( high quality ) ?