An acute strain is caused by trauma or an injury such as a blow to the body; it can also be caused by improperly lifting heavy objects or over-stressing the muscles.
Hey there!
Bronchitis is a disease that caused the bronchioles to inflammate which makes breathing difficult.
Bronchitis is often started by a virus, and usually occurs after you've had a cold or flu. It can cause breathing and coughing problems but improves and heals itself.
Hope this helps!
You would go to an ophthalmologist (eye doctor).