Our Summary

This research paper reviews the use of a tool called intra-operative optical coherence tomography (iOCT) in eye surgeries, specifically those for glaucoma. iOCT is a technology that helps doctors visualize and understand the depth of different parts of the eye during surgery, which can be especially useful in minimally invasive glaucoma surgeries (MIGS). The researchers looked at 79 different studies and found that iOCT is being used more and more in eye surgeries, and it has the potential to improve surgical techniques and patient outcomes. However, the technology still has room for improvement in terms of image quality and user experience.

FAQs

  1. What is intra-operative optical coherence tomography (iOCT) and how is it used in glaucoma surgeries?
  2. What are the potential benefits of using iOCT in minimally invasive glaucoma surgeries (MIGS)?
  3. What are the areas for improvement identified for the iOCT technology in terms of image quality and user experience?

Doctor’s Tip

A doctor may tell a patient undergoing glaucoma surgery to follow all post-operative instructions carefully, including taking prescribed medications and attending follow-up appointments. It is important to communicate any changes in vision or any unusual symptoms to your doctor immediately. Proper post-operative care can help ensure the best possible outcome for your surgery.

Suitable For

Glaucoma surgery is typically recommended for patients who have not responded well to other forms of treatment, such as medication or laser therapy, or for patients who have advanced glaucoma that is causing significant vision loss. Patients with certain types of glaucoma, such as angle-closure glaucoma or secondary glaucoma, may also be candidates for surgery.

Additionally, patients who have a high risk of developing glaucoma-related complications, such as optic nerve damage or increased intraocular pressure, may be recommended for surgery. It is important for patients to discuss their individual situation with their eye doctor to determine if glaucoma surgery is the right option for them.

Timeline

Before Glaucoma Surgery:

  1. Patient is diagnosed with glaucoma through a comprehensive eye exam, including tonometry, visual field testing, and optic nerve evaluation.
  2. Patient undergoes treatment with eye drops, oral medications, or laser therapy to control intraocular pressure and manage symptoms.
  3. If conservative treatments are not effective, the ophthalmologist may recommend surgery to improve drainage of fluid in the eye and reduce pressure.

During Glaucoma Surgery:

  1. Patient is prepped for surgery and given anesthesia to ensure they are comfortable and pain-free during the procedure.
  2. The surgeon uses iOCT to visualize the structures of the eye in real-time and guide the surgery to ensure precision and optimal outcomes.
  3. Different surgical techniques may be used, such as trabeculectomy, tube shunt implantation, or MIGS procedures, depending on the severity of the glaucoma and the patient’s individual needs.

After Glaucoma Surgery:

  1. Patient is monitored closely in the immediate post-operative period to check for any complications and ensure proper healing.
  2. Patient may experience some discomfort, blurred vision, or light sensitivity in the days following surgery, which can be managed with medications and eye drops.
  3. Follow-up appointments are scheduled to assess the success of the surgery, monitor intraocular pressure, and adjust medications as needed to maintain eye health in the long term.

Overall, glaucoma surgery can help improve vision and quality of life for patients with this chronic eye condition, and the use of iOCT technology is enhancing the precision and effectiveness of these procedures.

What to Ask Your Doctor

  1. What are the different types of glaucoma surgeries available, and which one do you recommend for my particular case?
  2. What are the potential risks and complications associated with glaucoma surgery?
  3. How successful is glaucoma surgery in lowering intraocular pressure and preserving vision?
  4. What is the recovery process like after glaucoma surgery, and how long does it typically take to see results?
  5. Are there any alternative treatments or therapies that I should consider before opting for surgery?
  6. How experienced are you in performing glaucoma surgeries, and what is your success rate?
  7. Will I need to take any special precautions or medications before or after the surgery?
  8. How often will I need to follow up with you after the surgery, and what signs or symptoms should I watch out for that may indicate a complication?
  9. Can you explain how iOCT technology will be used during my surgery, and how it may benefit the outcome?
  10. Are there any additional resources or support groups available for patients undergoing glaucoma surgery that you would recommend?

Reference

Authors: Ang BCH, Lim SY, Dorairaj S. Journal: Eye (Lond). 2020 Jan;34(1):168-177. doi: 10.1038/s41433-019-0689-3. Epub 2019 Nov 26. PMID: 31772380