The New York University Langone Medical Center, on the other hand, reports no marked increase in blood sugar levels in diabetics. As a precaution, however, you should discuss fish oil supplements with your health care provider, if you have diabetes. If you're already taking fish oil supplements, keep a close watch on how your blood sugar levels vary.
Another condition that can cause headache above left eye is glaucoma. This condition is due to the build-up of pressure within the left eye that causes damage to the optic nerve, destroying peripheral vision and leading to blindness. Any infections or tumor in the left eye or brain can cause pain around the eye.
Often, eye pain that feels like something is in the eye actually is caused by irritation or inflammation of the front surface of the eye, particularly the cornea. Common causes of pain emanating from the front surface of the eye or inside the eye include: Corneal foreign body.Not surprisingly, what often causes a foreign body sensation in the eye is an actual foreign body.ommon causes of pain emanating from the front surface of the eye or inside the eye include: Corneal foreign body. Not surprisingly, what often causes a foreign body sensation in the eye is an actual foreign body.