can be done at home. the process requires a few parts from a hardware store and enormous patience if it is to be done without damaging the camera.
put a soft cloth down on a work surface. hold the camera with one hand so that the area with the stripped screw is facing you. turn on the 100 watt lamp. position the 100 watt lamp next to you so that the shadow from the camera and your body falls off of the area where the stripped screw is located. adjust the hands-free magnifying glass so that you can see the stripped screw on the camera through the glass.
select a screwdriver from 