Anatomy, Physiology, and Disease 3rd Edition by Karen Lee,Jeff Ankney,Bruce Colbert

Exercise 11

Maria, a diabetic, has been going through a period of high stress and has been poorly monitoring her diabetes. She has noticed increasing visual problems and often sees specks floating in her visual field. Twice she had double vision episodes.
What could be the cause of the visual disturbances, and what should she do about them
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