1 doctor weighed in:

Why do I see little flashing lights temporarily, when I vomit?

1 doctor weighed in
Dr. Jon Ahrendsen
Family Medicine

In brief: Pressure on eyes

When you vomit, the blood pressure in your head temporarily rises and this puts more pressure on your eyes.
The nerves in the back of the eyes respond to any pressure (such as touch) by a stimulus that your brain interprets as light. You can see the same thing if you gently rub your eye with your finger. It is normal and does not indicate a problem.

In brief: Pressure on eyes

When you vomit, the blood pressure in your head temporarily rises and this puts more pressure on your eyes.
The nerves in the back of the eyes respond to any pressure (such as touch) by a stimulus that your brain interprets as light. You can see the same thing if you gently rub your eye with your finger. It is normal and does not indicate a problem.
Dr. Jon Ahrendsen
Dr. Jon Ahrendsen
Thank
Get help from a real doctor now
Dr. Marsha Davis
Board Certified, Internal Medicine
24 years in practice
67M people helped
Continue
108,000 doctors available
Read more answers from doctors