human
I'm having problems with my vision. What could be causing this?
assistant
Common causes of blurred vision include refractive errors such as nearsightedness, farsightedness, and astigmatism; eye strain or fatigue; dry eyes; eyelid inflammation; glaucoma; cataracts; macular degeneration; diabetes; and vitamin deficiencies. You should consult a doctor to determine the cause of your blurred vision.