North Iowa

Specialists in Eye Surgery

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Selective Laser Trabeculoplasty (SLT)

Solutions for your eye issues

Eye Specialists

Treatment of open angle glaucoma often begins with drops that are used to lower eye pressure.  If needed, your doctor may recommend supplemental laser to lower the pressure further.  This is a laser which is applied to the drainage system of the eye.  It does not damage the structure of the eye and so does not interfere with the success of future surgeries.  It is repeatable if its effects eventually wear off and may delay the need for additional medications/surgeries in patients.  It is performed in the office and takes less than 5 minutes to complete.  Generally, there are no restrictions or extra drops needed after this procedure.

Glaucoma (open angle)

Open angle glaucoma is the most common kind of glaucoma.  The drainage area in the eye becomes clogged, so not enough fluid drains from the eye.  The pressure slowly builds up in the eye, which can cause damage in the optic nerve over time.  This may result in loss of side (peripheral) vision.  Patients can go completely blind from open angle glaucoma.  Often, this type of glaucoma has no symptoms, so it is important to have your pressure periodically checked.  Patients have an increased risk of glaucoma as they age.  Also at risk include those with African ancestry, family history of glaucoma, previous history of eye injury or surgery, and those with other health problems such as diabetes or high blood pressure.

State-of-the-art techniques

Innovative medicine

Take advantage of our 6 board certified surgical ophthalmologists and 2 therapeutically certified optometrists on staff, along with 30 employees, many of whom are certified ophthalmic or optometric assistants.

Glaucoma (Narrow angle)

Narrow angle glaucoma is less common than open angle.  The drainage system in the eye suddenly can become completely blocked leading to a rapid build up in pressure.  This is called 'angle closure.'  A patient may notice blurred vision or haloes around lights.  They may also have pain, headaches, nausea, and vomiting.  If not treated quickly, blindness may occur rapidly.  Sometimes, patients will be treated for narrow angle glaucoma if it is felt that they have risk factors for angle closure.

Laser Peripheral Iridotomy

Treatment of narrow angle glaucoma involves making a hole in the iris to allow fluid to move between the front and back parts of the eye.  The procedure usually involves a YAG laser, but sometimes a combination of two lasers may be used to create this opening.  Laser iridotomy is performed in the office and takes less than 5 minutes to complete.  There will generally be a follow up appointment to ensure the treatment was successful.

Click to watch a video on Glaucoma Click to watch a video on Glaucoma Open Angle Click to watch a video on Glaucoma (Narrow Angle) Click to watch a video on Laser Peripheral Iridotomy Click to watch a video on Selective Laser Trabeculoplasty (SLT)