Hidden Exotropia: Managing Post-Surgery Complications - Ophthalmology

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Latent exotropia


I have been troubled by intermittent exotropia for the past two years, which has affected my work and riding.
I decided to undergo surgery, but after the operation, I did not wake up due to general anesthesia.
The anesthesiologist administered additional medication to reverse the anesthesia and informed me that I might have myasthenia gravis (MG).
After being referred to a neurologist for further examination, I was diagnosed with MG.
I had the surgery on August 19, and while my eye position is slowly returning to normal, I still experience double vision.
I am very worried that the exotropia is caused by MG.
What should I do?

Sunny, 40~49 year old female. Ask Date: 2021/09/06

Dr. Gao Pilin reply Ophthalmology


Hello Sunny: Right now, we are just waiting for recovery until stability is achieved, and we will see if there is a possibility of restoring normal vision.
If there is any exodeviation or esodeviation afterward, we can make further plans.
For now, there is no need to worry; it may gradually return to normal.

Reply Date: 2021/09/06

More Info


Understanding hidden exotropia and managing post-surgery complications can be quite complex, especially when underlying conditions such as Myasthenia Gravis (MG) are involved. It’s essential to approach this situation with a comprehensive understanding of both the surgical outcomes and the implications of your diagnosis.

First, let’s clarify what hidden exotropia is. This condition refers to a type of strabismus where the eyes appear to be aligned when the patient is looking straight ahead, but they diverge when the patient is focused on an object. Surgical intervention is often considered when the condition affects the patient's quality of life, such as difficulties in work or daily activities, as you have experienced.

In your case, the surgery was performed to correct the exotropia, but complications arose, including the unexpected diagnosis of Myasthenia Gravis. MG is an autoimmune disorder that affects the communication between nerves and muscles, leading to muscle weakness. This condition can indeed complicate the recovery process from eye surgery, as it may affect the muscles controlling eye movement.

Post-surgery, it’s not uncommon to experience some degree of diplopia (double vision), especially if the eye muscles have been manipulated during the procedure. The fact that your eyes are slowly returning to a more aligned position is a positive sign, but the persistence of double vision can be distressing. It’s crucial to communicate openly with your ophthalmologist or the surgeon who performed the procedure about your concerns, especially regarding the potential link between your MG and the eye alignment issues.

Here are some steps you can take to manage your situation:
1. Follow-Up Appointments: Regular follow-ups with your ophthalmologist are essential. They can monitor your recovery and assess the alignment of your eyes over time. They may also evaluate the degree of diplopia and suggest appropriate interventions.

2. MG Management: Since you have been diagnosed with Myasthenia Gravis, it’s vital to work closely with a neurologist. They can help manage your MG symptoms, which may include medications such as anticholinesterase agents or immunosuppressants. Proper management of MG can potentially improve your muscle strength, including the muscles controlling eye movement.

3. Vision Therapy: Depending on the severity of your diplopia, your doctor may recommend vision therapy. This can help retrain your brain to process visual information more effectively and may reduce the symptoms of double vision.

4. Prism Glasses: In some cases, prism glasses can be prescribed to help align the images seen by each eye, which can alleviate double vision without requiring additional surgery.

5. Surgical Revision: If the double vision persists and significantly impacts your quality of life, your ophthalmologist may discuss the possibility of a revision surgery to further correct the eye alignment.

6. Support Groups: Connecting with others who have MG or have undergone similar surgeries can provide emotional support and practical advice. Many organizations offer resources for individuals dealing with MG.

In summary, while the surgery aimed to correct your hidden exotropia, the emergence of Myasthenia Gravis adds a layer of complexity to your recovery. It’s crucial to maintain open lines of communication with your healthcare providers, adhere to follow-up appointments, and explore all available management options for both your eye condition and MG. With appropriate care and support, many patients find ways to manage their symptoms effectively and improve their quality of life.

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