Our Summary

This research paper explores the effectiveness of using botulinum toxin (commonly known as Botox) as a treatment for strabismus, a condition where the eyes don’t properly align with each other when looking at an object. Researchers wanted to see how well Botox works compared to other treatments like surgery, exercises, and lens therapy.

They looked at four different studies involving 242 people with different types of strabismus. These studies were conducted in Spain, Canada, and South Africa and followed the patients for six to 36 months. However, the studies had varying levels of risk of bias, with none being considered low risk for all areas.

Overall, the evidence suggested that surgery might be more effective than Botox for improving or correcting strabismus. However, this evidence was of low certainty, meaning we can’t be very confident in this conclusion. In one study involving children with a type of strabismus that starts in infancy, surgery seemed to reduce the need for further treatments, but again, this evidence was very uncertain.

Two studies from Spain compared Botox to surgery in children who needed further treatment for their strabismus. These studies found that Botox may have little to no effect on achieving single vision (where both eyes work together to form one image) compared to surgery.

Some mild side effects were reported among the people treated with Botox, including temporary drooping of the eyelid and a temporary misalignment of the eyes. Meanwhile, in one study, almost half of the people who had surgery experienced discomfort.

The researchers concluded that it’s still unclear whether Botox can be used as an alternative to surgery for treating certain types of strabismus due to the low and very uncertain evidence. They also pointed out that more high-quality studies are needed to provide stronger evidence. They also highlighted the need for future studies to look at quality of life and cost-effectiveness in addition to clinical and safety outcomes.

FAQs

  1. What is the effectiveness of using Botox as a treatment for strabismus compared to other treatments like surgery, exercises, and lens therapy?
  2. What side effects were reported from using Botox as a treatment for strabismus?
  3. Are more high-quality studies needed to provide stronger evidence on the effectiveness of Botox as a treatment for strabismus?

Doctor’s Tip

A doctor might tell a patient considering strabismus surgery that while surgery may be more effective in improving or correcting strabismus compared to Botox injections, the evidence is still uncertain and more research is needed. They may also advise the patient about potential side effects of both treatments, such as temporary drooping of the eyelid with Botox injections and discomfort with surgery. It’s important to have a thorough discussion with your doctor about the risks and benefits of each treatment option before making a decision.

Suitable For

Patients who are typically recommended strabismus surgery are those who have not responded well to other treatments such as exercises, lens therapy, or Botox injections. Surgery may be recommended for patients with persistent or severe strabismus that affects their vision and quality of life. Additionally, surgery may be considered for children with strabismus that starts in infancy and is not improving with other treatments. It is important for patients to discuss their individual case with a healthcare provider to determine the best treatment option for their specific situation.

Timeline

Before strabismus surgery, a patient will typically undergo a thorough eye exam and consultation with an ophthalmologist to determine the best course of treatment. This may involve trying non-surgical options such as exercises, eye patches, or prismatic lenses to correct the misalignment of the eyes. If surgery is recommended, the patient will be scheduled for the procedure and given instructions on how to prepare.

After strabismus surgery, the patient will experience some discomfort, redness, and swelling in the eye area. They may also have temporary double vision or blurred vision as the eyes adjust to their new alignment. The patient will need to follow post-operative care instructions, which may include using eye drops, wearing an eye patch, or avoiding certain activities for a period of time.

In the weeks and months following surgery, the patient will attend follow-up appointments with their ophthalmologist to monitor their progress and make any necessary adjustments. It may take several months for the eyes to fully align and for the patient to experience improved vision and eye coordination.

Overall, the timeline for a patient before and after strabismus surgery involves preparation, the surgery itself, post-operative care, and follow-up appointments to ensure the best possible outcome for correcting the misalignment of the eyes.

What to Ask Your Doctor

Some questions a patient should ask their doctor about strabismus surgery include:

  1. What are the potential risks and complications associated with strabismus surgery?
  2. How long is the recovery period after strabismus surgery, and what can I expect during this time?
  3. Are there any alternative treatments to surgery for my specific type of strabismus?
  4. What is the success rate of strabismus surgery for patients with similar conditions to mine?
  5. How many strabismus surgeries have you performed, and what is your success rate?
  6. Will I need any follow-up appointments or additional treatments after the surgery?
  7. How will strabismus surgery affect my vision and eye alignment in the long term?
  8. Are there any lifestyle changes or precautions I should take before or after strabismus surgery?
  9. What type of anesthesia will be used during the surgery, and are there any risks associated with it?
  10. Can you provide me with information on the costs associated with strabismus surgery, including potential insurance coverage or payment options?

Reference

Authors: Bort-Martí AR, Rowe FJ, Ruiz Sifre L, Ng SM, Bort-Martí S, Ruiz Garcia V. Journal: Cochrane Database Syst Rev. 2023 Mar 14;3(3):CD006499. doi: 10.1002/14651858.CD006499.pub5. PMID: 36916692