Vision Changes After Diabetes Diagnosis: When to Seek Help - Internal Medicine

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Some doubts about certain symptoms of allergies~~~~~


Hello, my father was recently diagnosed with diabetes and just got discharged from the hospital yesterday.
He has noticed that his vision is somewhat blurry.
I checked some literature and found that this could be a symptom of hypoglycemia, but he only has the vision issue and none of the other symptoms.
We are very concerned that this might be a complication.
Should we seek medical attention immediately, or could this be a side effect of the medication? Please respond as soon as possible.
Thank you! (Patient ID: 555904).

Zhang Xiansheng, 50~59 year old female. Ask Date: 2008/12/19

Dr. Chen Qingbin reply Internal Medicine


There are many symptoms of hypoglycemia, and blurred vision is one of them.
It is advisable to check blood sugar levels immediately.
Additionally, diabetes can lead to retinal disease, glaucoma, and cataracts, so it is best to consult an ophthalmologist for an examination.

Reply Date: 2008/12/19

More Info


When a person is newly diagnosed with diabetes, it is not uncommon to experience changes in vision, including blurred vision. This can be concerning, especially for family members who want to ensure their loved one's health is being managed properly. In your father's case, the blurred vision could be attributed to several factors, including fluctuations in blood sugar levels, potential side effects of medications, or even the onset of diabetic complications.

Firstly, it is important to understand that blurred vision can be a symptom of both high and low blood sugar levels. In the early stages of diabetes, when blood sugar levels are not yet stabilized, patients may experience temporary changes in their vision. High blood sugar can cause the lens of the eye to swell, leading to blurred vision. Conversely, low blood sugar can also result in visual disturbances. Given that your father has just been discharged from the hospital, it is crucial to monitor his blood sugar levels closely. If he is experiencing symptoms of hypoglycemia (low blood sugar), such as dizziness, confusion, or excessive sweating, it is essential to check his blood sugar immediately and treat it accordingly.

Additionally, diabetes can lead to long-term complications, including diabetic retinopathy, which is damage to the blood vessels in the retina. This condition can develop over time, particularly if blood sugar levels are poorly controlled. However, since your father is newly diagnosed, it is less likely that he would already have developed significant diabetic retinopathy. Nonetheless, it is still important to be vigilant and seek medical advice if there are any concerning symptoms.

If your father’s blurred vision persists or worsens, it is advisable to consult an ophthalmologist. An eye specialist can conduct a thorough examination to determine the cause of the vision changes and assess for any potential complications related to diabetes. They may perform tests such as a dilated eye exam or retinal imaging to evaluate the health of the retina and the optic nerve.

In terms of medication, if your father has recently started any new diabetes medications, it is worth discussing with his healthcare provider whether these could be contributing to his vision changes. Some medications can have side effects that affect vision, and it may be necessary to adjust his treatment plan.

In summary, while blurred vision can be a common occurrence shortly after a diabetes diagnosis, it is essential to monitor the situation closely. If your father experiences any additional symptoms or if the blurred vision does not resolve, seeking medical attention promptly is crucial. Regular follow-up appointments with both his primary care physician and an eye specialist will help ensure that his diabetes is well-managed and that any potential complications are addressed early. Maintaining good blood sugar control through diet, exercise, and medication adherence is vital for preventing long-term complications, including those affecting vision.

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