Skipper Eye-Q
Anvi Staff answered 12 months ago
Glaucoma is a group of eye conditions that can damage the optic nerve, which is crucial for good vision. The damage is often caused by an abnormally high pressure in the eye, known as intraocular pressure (IOP). If left untreated, glaucoma can lead to permanent vision loss or blindness.
There are different types of glaucoma, with the two main categories being open-angle glaucoma and angle-closure glaucoma. Open-angle glaucoma is more common and usually develops slowly over time, while angle-closure glaucoma is often a more sudden and severe form.
Regular eye exams are important for detecting and managing glaucoma early on, as the condition often has no symptoms in its early stages. Treatment options may include medications, laser therapy, or surgery, depending on the type and severity of glaucoma.
Laser surgery for glaucoma is a medical procedure that uses laser technology to treat the increased intraocular pressure (IOP) associated with glaucoma. The goal of the surgery is to improve the drainage of fluid (aqueous humor) from the eye, reducing the pressure inside the eye and preventing further damage to the optic nerve.
There are different types of laser surgeries for glaucoma, and the choice of procedure depends on the specific characteristics of the patient’s condition. Here are two common types:
Laser Trabeculoplasty:
Purpose: This procedure is often used for open-angle glaucoma, which is the most common form of the disease.
How it Works: The laser is applied to the trabecular meshwork, a drainage structure in the eye. The laser stimulates the meshwork to open up, allowing better fluid drainage and reducing intraocular pressure.
Procedure: The patient typically sits at a laser machine, and the doctor uses a special lens to focus the laser beam on the trabecular meshwork. The laser treatment is usually quick and may require multiple sessions for optimal results.
Laser Peripheral Iridotomy (LPI):
Purpose: LPI is often used for angle-closure glaucoma, where the drainage angle in the eye is blocked.
How it Works: The laser is used to create a small hole in the peripheral iris (the outer part of the iris), which allows the aqueous humor to flow more freely between the front and back of the eye, relieving pressure.
Procedure: The patient typically sits at a laser machine, and the laser is applied to create a small opening in the iris. This is usually done to prevent or manage an acute angle-closure attack.
Both procedures are typically performed on an outpatient basis, and patients may experience some discomfort or blurry vision immediately after the surgery. However, recovery is generally quick.
It’s important to note that while laser surgery can be effective in managing intraocular pressure, it may not be a permanent solution, and additional treatments or surgeries may be required over time. The choice of treatment depends on the specific type and severity of glaucoma, as well as individual patient factors. Patients should consult with their ophthalmologist to determine the most appropriate treatment plan for their condition.
Nidhi Staff answered 4 weeks ago
Glaucoma laser surgery is a procedure used to treat glaucoma, a condition characterized by increased pressure in the eye (intraocular pressure) that can damage the optic nerve and lead to vision loss. The goal of the surgery is to reduce this pressure and prevent further damage. There are different types of laser surgeries for glaucoma, depending on the type and severity of the disease:
1. Laser Trabeculoplasty
Purpose: Used for open-angle glaucoma, the most common form.
Procedure: A laser is used to open clogged drainage channels in the eye, allowing fluid (aqueous humor) to drain out more easily.
Types:
Argon Laser Trabeculoplasty (ALT): A laser is applied to the trabecular meshwork (the eye’s drainage system), helping fluid to drain.
Selective Laser Trabeculoplasty (SLT): A lower-energy laser selectively targets specific cells in the trabecular meshwork.
Effectiveness: May reduce intraocular pressure by 20-30%, and can be repeated if necessary.
2. Laser Peripheral Iridotomy (LPI)
Purpose: Used for narrow-angle or angle-closure glaucoma, where the iris is too close to the drainage channels.
Procedure: A small hole is created in the iris (colored part of the eye) to allow fluid to flow more freely.
Effectiveness: Can prevent an acute attack of angle-closure glaucoma and lower intraocular pressure.
3. Cyclophotocoagulation
Purpose: Typically used for advanced or difficult-to-control glaucoma cases.
Procedure: A laser is applied to the ciliary body (which produces aqueous humor) to reduce fluid production.
Types:
Endoscopic Cyclophotocoagulation (ECP): A more targeted approach using an endoscope to deliver the laser.
Transscleral Cyclophotocoagulation: Laser energy is delivered through the white part of the eye (sclera).
Effectiveness: Helps in lowering intraocular pressure but may lead to more complications.
4. Laser Suture Lysis
Purpose: Used after glaucoma filtering surgery (trabeculectomy) to modify or remove sutures that control fluid drainage.
Procedure: A laser is used to loosen or cut the sutures in the eye to improve fluid flow.
Benefits of Glaucoma Laser Surgery:
Non-invasive: Lasers are less invasive compared to traditional surgery.
Quick Recovery: The procedure usually takes a short time and is often performed in a clinic without the need for hospitalization.
Outpatient Procedure: Typically done on an outpatient basis.
Risks and Considerations:
Short-term Pressure Spike: In some cases, intraocular pressure may temporarily rise after surgery.
Need for Additional Treatments: Surgery might not be a permanent fix, and some patients may need repeat treatments or additional medications.
Possible Side Effects: These can include inflammation, blurry vision, or pain, although these are generally mild and temporary.
The choice of laser surgery depends on the type and progression of glaucoma, and your ophthalmologist will help determine the most suitable option for your condition.