Farsightedness and myopia in diabetes mellitus
Diabetes mellitus is one of the most common diseases that can lead to visual impairment. This is because the disease affects various structures of the eyeball, which can lead to farsightedness or nearsightedness.
One of the causes of visual impairment in diabetes is blood sugar levels. It is known that the lens of the eye is an insulin-independent tissue, which means that it absorbs sugar without the help of insulin. As a result, sorbitol is released, which has the property of retaining water. If the blood sugar level is elevated, then sorbitol enters the lens in excess, which leads to the formation of excess fluid and an increase in the convexity of the lens. This can cause farsightedness, which increases the refractive power of the lens, which is necessary for seeing close objects.
However, when blood sugar levels are low, the lens becomes flat, which can lead to myopia. In this case, vision deteriorates when seeing at long distances.
If you have vision problems and are diabetic, changes in your visual acuity may indicate your blood sugar levels. If you have noticed that in recent days your glasses have stopped helping, and the newspaper lines are blurry, then this may be due to fluctuations in blood sugar levels. In this case, it is necessary to measure the blood sugar level and if it is outside the norm, measures should be taken to improve it.
Thus, visual impairment in diabetes mellitus can manifest itself in the form of farsightedness or myopia, which are associated with blood sugar levels. Therefore, if you suffer from diabetes and experience changes in your vision, you should consult your doctor and monitor your blood sugar levels.