3. Blood sugar
Even if you do not have diabetes, your blood sugar level will fluctuate during the day. It’s why people tend to have a “slump”, or a low energy level, during certain times of the day.
Blurred vision is one of the symptoms that you may experience when your sugar falls below what it should. Other symptoms include tingling, fatigue and the “seeing stars phenomenon” that most people experience.
You can test your blood sugar at any drug store without having to consult a doctor. It can be a sign of diabetes or other medical conditions.
Once you are aware, you can manage and treat it.