What has been your experience, if any, with Vision Fluctuation and/or Double Vision?
Double vision: People with diabetes may complain about sudden onset of double images. Because this can be due to damage to the nerves from the brain to the eye, it is important to see an optometrist or ophthalmologist immediately.
This symptom can be misinterpreted by the patient or by a non-eye care provider unfamiliar with this ocular complication as a sign of a stroke or other neurological problem, prompting unnecessary diagnostic procedures such as radiological exams.
Double vision (or diplopia) may instead be due to mononeuropathy—damage to a single nerve—usually cranial nerves III, IV, or VI. The sixth and third nerves are most frequently affected. Third-nerve palsies occur with pupillary sparing in 80% of cases. Most diabetic third-nerve palsies usually resolve spontaneously within 2 to 3 months and the symptom of double vision can often be controlled with the use of special lenses.
Vision fluctuation: Poor control of blood glucose levels can lead to a fluctuation in vision. These temporary visual fluctuations occur because of fluid imbalance in the crystalline lens. When the glucose level is elevated, the lens thickens, causing vision changes that may increase nearsightedness or farsightedness. When the glucose level returns to normal, the lens can shrink back to its normal state.
For those who need glasses, if the glucose level is poorly controlled, the constant state of flux can make it difficult to determine the best lenses.
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