What Causes Intermittent Headaches And Blurred Vision?
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Detailed Answer:
Hi
I have gone through your question and understand your concerns. The most likely reason for these symptoms on waking up is dried out tear secretions floating around on the surface of the eye. This happens in most people, and is part of the reason that many people "rub their eyes" when they wake up; they are trying (unconsciously most likely) to clear up their vision by removing these secretions. Another common cause would be eye allergies, or allergic conjunctivitis. Allergic conjunctivitis symptoms (itching, burning, watering, and redness of the eyes) are often worse when getting up from sleeping, especially if the person is allergic to dust, mold or mites, as these tend to be concentrated in the mattress, blankets, and pillows.
Sometimes, the above symptoms can be associated with refractive errors leading to headaches as well. For any definitive answer, I would recommend you to visit an ophthalmologist for clinical evaluation and treatment accordingly.
Take care