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The lens of
the eye is permeable to fluids. When blood sugar levels are high, more fluid is drawn from body tissues, including the lenses of the eyes. As fluid is drawn out, the lenses shrink in size. If the diabetic's diet is not carefully monitored, his blood sugar levels may spike and dip dramatically. This causes fluid to be constantly drawn in and out of the lenses. As the size of the lens enlarges and shrinks, intermittent blurry vision may result.
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- Blurry vision that varies with blood sugar levels
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- Proper regulation of blood sugar in the diet
- It may be difficult to accurately prescribe eyeglasses for patients with poorly controlled diabetes, as vision goes out-of-focus with fluctuations in lens size.
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