Sprains affect your joints. Strains affect your muscles. Both usually occur after a fall or sudden movement that violently pulls or twists a part of your body. Chronic overuse of muscles or joints can also cause strains and sprains.
An object such as a piece of glass or metal or a pencil stuck in an eye
Very bad eye pain
Blood in an eye
Nausea or vomiting after an eye injury
Been in contact with chemicals