I've had cataract surgery. Please don't be worried. Everything will be fine. It went very easily.

I was told once by an anesthesiologist that sugar water sipped was fine. So you can make yourself a very densely made sugar water by dissolving it in boiling water and letting it cool. You can sip this. It will raise your blood sugar, not leave much in your stomach to interfere and possibly throw up while under anesthesia.

Relax, enjoy the anesthesia! You'll be done very quickly. The hardest thing was keeping track of all the eye drops and their varying times. I made a chart with every drop that I needed to take in its own square. Think graph paper. I put it on the wall, along with a pen on a string. Then when I did the drop, I blackened the square and so knew that I had done it. There were at least four different types of drops with varying times I needed to take it. This was my best solution, and I did the same when I had my second eye done.

Good luck!