Question: Tomatoes in my garden have formed blisters or translucent areas on the green shoulders---what caused the problem?

Answer: I have those same blisters and translucent areas on my shoulders when I expose my lily-white body to the burning rays of the sun. Your tomato shoulders have cooked and sunburned. The tomato will ripen normally most of the time and the burned places will not peel or look nearly as bad as my lily-white-body-turned-lobster-red. It won't hurt as bad either!!