It might help to bring the grandkids to your doctor's appointment. Have the doctor tell the grandkids directly what exactly is the extent to which your eyes can read. They may be shocked.
$1It does appear that you need a "legally blind" designation to get services from
$1 and have your doctor send medical reports to them.
Vocation Rehabilitation could send someone to your home to consult on where additional lighting might help, a home organization system, etc.