Excimer laser trabeculostomy

Excimer Laser Trabeculostomy

Excimer Laser Trabeculostomy (ELT) is a minimally invasive surgical procedure used to treat glaucoma, a group of eye conditions that can cause damage to the optic nerve and lead to vision loss. ELT utilizes an excimer laser to create tiny channels in the trabecular meshwork, a drainage structure in the eye responsible for regulating the outflow of aqueous humor, the fluid that nourishes the eye.

Procedure

During an ELT procedure, the patient is typically given local anesthesia to numb the eye. A small incision is made in the cornea, and a specially designed lens is placed on the eye to focus the laser beam. The excimer laser emits pulses of ultraviolet light, which are precisely targeted to create microperforations in the trabecular meshwork. These microperforations improve the outflow of aqueous humor, reducing intraocular pressure and relieving the strain on the optic nerve.

Benefits

ELT offers several advantages over traditional glaucoma surgeries. Firstly, it is a minimally invasive procedure, meaning it requires smaller incisions and has a shorter recovery time compared to more invasive surgeries. Additionally, ELT can be performed as an outpatient procedure, eliminating the need for an overnight hospital stay. The use of an excimer laser allows for precise and controlled treatment, minimizing the risk of complications. ELT has also been found to be effective in reducing intraocular pressure in patients with open-angle glaucoma, the most common form of the disease.

Risks and Limitations

As with any surgical procedure, ELT carries some risks. These may include temporary inflammation, bleeding, or infection in the eye. In rare cases, ELT may cause an increase in intraocular pressure or damage to the cornea. It is important for patients to discuss the potential risks and benefits of ELT with their ophthalmologist before undergoing the procedure.

ELT may not be suitable for all patients with glaucoma. It is typically recommended for individuals with open-angle glaucoma who have not responded well to medication or other conservative treatments. Patients with certain eye conditions, such as narrow-angle glaucoma or severe corneal disease, may not be suitable candidates for ELT.

Follow-up Care

After an ELT procedure, patients are usually prescribed eye drops to prevent infection and reduce inflammation. It is important to follow the ophthalmologist's instructions regarding the use of these medications. Regular follow-up visits are necessary to monitor the patient's intraocular pressure and overall eye health.

Conclusion

Excimer Laser Trabeculostomy is a promising surgical option for the treatment of glaucoma. By creating microperforations in the trabecular meshwork, ELT improves the outflow of aqueous humor and reduces intraocular pressure. While ELT offers several benefits, it is important for patients to consult with their ophthalmologist to determine if they are suitable candidates for the procedure. With proper follow-up care, ELT can help manage glaucoma and preserve vision for many patients.

See Also

• Glaucoma
• Trabecular Meshwork
• Intraocular Pressure
• Ophthalmologist

References

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Excimer laser trabeculostomy

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  Gonioscopic view of Excimer Laser Trabeculostomy