"I can read ordinary text with reading glasses but I would need to have sheet music further away to allow me to play instrument"

I need reading glasses for normal distance reading, and I have another pair of reading glasses with weaker lenses which are perfect for reading music on a stand when playing an instrument.

If you have to have prescription glasses because of astigmatism or your eyes being very different, you should be still be able to get a set made for music reading distance.

If you make your sheet music using any of the ABC tools or a music scoring program, you should be able to print it scaled to any size you like.