Sudden Blurry Spot in Vision During Pregnancy: What Causes It

Sudden Blurry Spot in Vision During Pregnancy: What Causes it

Are you experiencing sudden blurry spots in your vision during pregnancy? Don’t panic, but it’s important to understand the possible causes. While some cases may be due to eye infections or migraines with aura, others could indicate emergency conditions like a detached retina or stroke. This article will explore the various factors that can lead to blurred vision during pregnancy and provide insights on how to manage and prevent potential vision loss. So let’s dive in and find out what’s behind that pesky blur!

Emergency Causes

If you experience a sudden blurry spot in your vision during pregnancy, it is important to consider emergency causes such as a detached retina or stroke. Retinal detachment occurs when the retina tears away from the back of the eye, causing symptoms like flashing lights, floaters, and blurred or absent vision. A stroke can affect the part of the brain controlling vision, resulting in blurry or lost vision in both eyes. Another possible cause is wet macular degeneration, where abnormal vessels cause blood and fluid to leak into the macula, leading to blurriness and vision loss in the center of the visual field. Angle closure glaucoma, which involves blockage of the eye’s drainage system and increased pressure, can also cause sudden blurry vision during pregnancy. If you experience any of these symptoms, it is crucial to seek immediate medical attention to prevent further complications.

Eye Infections

You may experience an eye infection, such as conjunctivitis or keratitis, which can result in blurred vision. Eye infections can be bothersome and uncomfortable, but there are ways to prevent and manage them during pregnancy. Common symptoms of eye infections include redness, itching, discharge, and sensitivity to light. If you suspect an eye infection, it is important to seek medical attention for proper diagnosis and treatment options. Depending on the type of infection, your healthcare provider may prescribe antibiotics or antiviral medication to help clear the infection. Untreated eye infections can lead to complications such as corneal damage or vision loss, so it is crucial to follow your healthcare provider’s recommendations for managing and treating the infection. Remember to practice good hygiene and avoid touching your eyes with unwashed hands to prevent the spread of infections.

Other Causes of Sudden Blurred Vision

Resting your eyes and following the 20-20-20 rule, which involves looking away from screens every 20 minutes at something 20 feet away for 20 seconds, can help prevent eyestrain. However, there are other causes of sudden blurred vision that you should be aware of during pregnancy. Here are three important points to consider:

  1. Hormonal changes: The hormonal fluctuations that occur during pregnancy can affect your vision. These changes may cause temporary blurry vision or difficulty focusing.
  2. Refractive errors: If you already have a refractive error such as nearsightedness or farsightedness, you may experience changes in your vision during pregnancy. It’s important to manage these refractive errors by wearing corrective lenses or undergoing refractive surgery if necessary.
  3. Eye infections: Pregnancy can make you more susceptible to eye infections such as conjunctivitis or keratitis. If you develop an eye infection, it’s crucial to seek prompt treatment from your healthcare provider to prevent complications and preserve your vision.

Migraine With Aura

Migraine attacks with aura can cause various visual disturbances such as wavy lines, flashing lights, and sensory disruptions. These aura symptoms are often triggered by certain factors such as stress, hormonal changes, or specific foods. During pregnancy, the hormonal changes can increase the frequency or severity of migraines for some women. It is important to manage migraines during pregnancy to ensure the well-being of both the mother and the baby. Treatment options may include lifestyle modifications like avoiding triggers and practicing relaxation techniques, as well as medications that are safe for use during pregnancy. However, it is crucial to consult with a healthcare provider before starting any treatment regimen. By effectively managing migraines during pregnancy, you can minimize discomfort and promote a healthy pregnancy experience.

Conditions Requiring Immediate Evaluation

Prompt and appropriate treatment is critical for conditions requiring immediate evaluation to prevent irreversible vision loss or brain cell death. Here are three important reasons why immediate evaluation is necessary:

  1. Emergency Causes: Conditions like detached retina, stroke, and transient ischemic attack (TIA) can cause sudden blurred vision and require urgent medical attention. These conditions can lead to permanent vision loss or even brain cell death if not treated promptly.
  2. Eye Infections: Infections such as conjunctivitis, keratitis, uveitis, and endophthalmitis can cause blurry vision and need timely treatment to prevent further complications. Prompt intervention with antibiotics or antiviral medications may be required to control the infection and preserve vision.
  3. Other Causes of Sudden Blurred Vision: Various factors like eyestrain, corneal abrasion, high blood sugar levels, hyphema, macular hole, and migraines with aura can also result in sudden blurred vision. Timely evaluation by a healthcare professional is crucial for accurate diagnosis and appropriate management of these conditions.

Remember that seeking immediate medical attention for sudden blurred vision can help prevent long-term consequences and ensure the best possible outcome for your eye health.


Eye infections, such as conjunctivitis and keratitis, can cause blurry vision and may require treatment with antibiotics or antiviral medication. During pregnancy, it is important to take extra precautions to prevent eye infections. Avoid touching your eyes with dirty hands and practice good hygiene by washing your hands regularly. If you experience any symptoms of an eye infection during pregnancy, such as redness, itching, discharge, or increased sensitivity to light, it is important to seek medical attention. Your healthcare provider will be able to recommend safe treatment options for managing the infection while pregnant. It is crucial to follow their instructions and take any prescribed medications as directed. By practicing good hygiene and seeking prompt treatment, you can effectively manage eye infections during pregnancy and protect both your vision and the health of your baby.

Other Causes

Regular eye exams are recommended to detect and correct refractive errors, which can cause blurred vision. However, there are other factors that can also lead to sudden blurry vision. Here are three possible causes:

  1. Pregnancy related hormonal changes: During pregnancy, hormonal fluctuations can affect the eyes and lead to temporary vision changes. Blurry vision may occur due to fluid retention or changes in corneal thickness.
  2. Medication side effects: Certain medications, such as antihistamines or antidepressants, can have side effects that include blurry vision. If you notice any changes in your vision after starting a new medication, it’s important to consult with your healthcare provider.
  3. Allergic reactions: Allergies can cause dryness and irritation of the eyes, leading to blurry vision. If you experience itchiness or redness along with blurred vision during allergy season, it could be due to an allergic reaction.

It’s essential to discuss any sudden blurry vision with your eye doctor or healthcare provider for proper evaluation and treatment options based on the underlying cause.

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