Distorted Vision: Causes and When to Seek Help - Ophthalmology

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Distorted vision, particularly characterized by wavy or warped lines, can be concerning and may indicate underlying ocular issues. Given your history of high myopia and the presence of floaters, it is essential to understand the potential causes of these symptoms and when to seek further medical evaluation.


Possible Causes of Distorted Vision
1. Retinal Issues: In individuals with high myopia, the retina is often thinner and more susceptible to various conditions. Distorted vision can be a sign of retinal problems such as:
- Retinal Detachment: This occurs when the retina separates from the underlying tissue, leading to vision changes, including distortion.

- Macular Degeneration: This condition affects the central part of the retina (the macula) and can cause wavy or distorted vision.

- Epiretinal Membrane: A thin layer of tissue that can form on the retina, leading to distortion and visual disturbances.

2. Visual Disturbances from Floaters: Floaters are common in myopic individuals and can sometimes cast shadows on the retina, leading to temporary distortions in vision. However, if these floaters are accompanied by flashes of light or significant changes in vision, it warrants immediate attention.

3. Optical Distortion: Sometimes, the lenses in glasses or contact lenses can cause visual distortions, especially if they are not properly fitted or if there has been a significant change in prescription.

4. Migraine-Related Visual Disturbances: Some individuals experience visual distortions as part of a migraine aura, which can include wavy lines or temporary blind spots. This is usually transient and resolves with the headache.

5. Corneal Issues: Conditions such as keratoconus or corneal scarring can lead to distorted vision due to irregularities in the corneal surface.


When to Seek Help
Even though your recent eye examinations did not reveal any significant issues, the persistence of your symptoms, especially the distortion of straight lines and the perception of wavy patterns, suggests that further evaluation may be necessary. Here are some guidelines on when to seek help:
- New or Worsening Symptoms: If you notice any new symptoms, such as an increase in the number of floaters, flashes of light, or a sudden change in vision, you should seek immediate medical attention.

- Persistent Distortion: If the distortion in your vision continues or worsens, it is advisable to consult an eye care professional. They may recommend additional tests, such as optical coherence tomography (OCT) or a visual field test, to assess the health of your retina and optic nerve.

- Changes in Daily Activities: If your distorted vision is affecting your ability to perform daily tasks or work, it is essential to address these concerns with your eye doctor.


Conclusion
While your previous examinations indicated no significant issues, the nature of your symptoms—particularly the distortion of straight lines—should not be overlooked. High myopia increases the risk of retinal complications, and it is crucial to monitor any changes in your vision closely. If your symptoms persist or worsen, consider seeking a second opinion or requesting more comprehensive testing to rule out any serious conditions. Remember, early detection and intervention are key to maintaining eye health, especially in individuals with pre-existing conditions like high myopia.