I was only trying to help you

After my  major eye operation I had to lie  on my front for some time, then I had to sit upright all the time, night and day for many weeks
I got  new glasses after 3 months.The op was not a great success.
I tried to go out and after getting off a bus I asked a lady to help me cross the road. I was seeing double

She grabbed my arm roughly and pulled me straight into the road. without warning It was very busy  indeed but she did not wait for a gap.
I managed to pull my arm away and said to her,
Why did you do that?
She replied