Why Is My Vision Blurry in One Eye? Updated 2024

A young asian woman taking a selfie with her phone, one eye slightly blurry.

Do you notice yourself frequently rubbing, squinting, or blinking in an attempt to improve your vision? If you’re experiencing blurry vision in one eye or both, you might attribute it to age or a need for new glasses. However, blurry vision in one or both eyes can also indicate underlying health issues. Prompt treatment of these conditions can often restore clear vision.

Sudden blurry vision is not typical, so if it occurs, it’s important to contact your doctor immediately. Before doing so, here’s a brief overview of potential causes of blurry vision:

Diabetes and Blurry Vision:

Diabetes increases the risk of diabetic retinopathy, a condition where prolonged high blood sugar damages the small blood vessels in the retina. This damage can result in swelling in the macula, the growth of new, unwanted blood vessels, and bleeding into the eye, leading to blurry vision and other symptoms. Regular eye check-ups are crucial for early detection and treatment.

Stroke and Blurry Vision:

Blurry vision, especially if sudden and painless, can be a warning sign of a stroke. Other stroke symptoms include loss of balance, drooping face, weakness or numbness in one arm, dizziness, and slurred speech. Immediate medical attention is necessary if you experience these symptoms.

Preeclampsia and Blurry Vision:

Blurry vision during pregnancy can be a sign of preeclampsia, a dangerous condition characterized by high blood pressure and protein in the urine. Preeclampsia typically occurs after the 20-week mark and requires medical attention to safeguard both maternal and fetal health.

Migraines and Blurry Vision:

Migraines may cause blurry vision, sensitivity to light, and other visual disturbances, known as aura. Prompt medical management is essential to control migraine symptoms effectively.

Psoriasis and Blurry Vision:

Psoriasis can affect the eyes, leading to a condition called uveitis, characterized by inflammation, sensitivity to light, pain, and blurry vision. Treatment options vary depending on the severity of symptoms.

Multiple Sclerosis (MS) and Blurry Vision:

Blurred vision can be an early sign of multiple sclerosis (MS), resulting from inflammation of the optic nerve (optic neuritis). Other symptoms may include balance issues, fatigue, weakness, and numbness. Early diagnosis and treatment are crucial in managing MS.

Brain Tumor and Blurry Vision:

A brain tumor can exert pressure on the brain, causing various symptoms, including blurry vision, persistent headaches, nausea, seizures, and personality changes. Medical tests are necessary for diagnosis and treatment planning.

Parkinson’s Disease and Blurry Vision:

Parkinson’s disease may initially present with other symptoms before causing blurry vision. As the disease progresses, blurry vision may occur due to changes in eye movement and strain on the eyes. Monitoring symptoms and seeking medical advice are essential in managing Parkinson’s disease. 

Take Care of Your Vision:

Your eyes play a vital role in your daily life, and any changes in vision should be taken seriously. Stay vigilant for the symptoms mentioned and consult with your doctor for proper evaluation and management. For more information, visit our website .


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