Cornea Disease & Treatment | Premier Eye Care of Eastern Idaho

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To provide the best possible eye care for patients in Eastern Idaho

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Knowledgeable, friendly, and thorough service
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Optimal eye health and vision
Comprehensive eye care, unique to you

What is the cornea?

The cornea is the clear dome-shaped tissue on the front of the eye. It protects the eye from germs and debris while providing a clear path for light to enter the eye and focus on the retina. It consists of five discreet layers including the epithelium, Bowman’s layer, stroma, Descemet’s membrane, and endothelium.

Am I at risk for corneal conditions?

Some conditions are inherited, however, there are options for reducing the risk of corneal injuries and infections.
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It is important to use protective eyewear when:

Playing sports that use smaller balls or objects, like baseball, hockey or similar sports
Outside work like weed eating, mowing or trimming trees
Hobbies that include pneumatic tools
Using chemicals, like bleach, pesticides, paint, corrosive sprays etc.

Keep contact lenses clean, disinfected and stored properly. Injuries or disease can require a cornea transplant to improve vision.

What is a cornea transplant?

A cornea transplant involves taking healthy tissue from a donor and using it to replace diseased or damaged tissue in a patient’s eye.

There are various types of corneal transplants depending on what portions of the cornea need to be replaced.

The most common include: penetrating keratoplasty (PKP), Descemet’s stripping automated endothelial keratoplasty (DSAEK), and Descemet’s membrane endothelial keratoplasty (DMEK).

Cornea

Frequently Asked Questions

Still have questions? Call or schedule an appointment to get a more in-depth look at your eye health.

What is a penetrating keratoplasty?

A penetrating keratoplasty (PKP) is where all layers of the cornea are replaced. This surgery has the advantage of being able to repair significant damage that has been done to the cornea but has a longer recovery than other transplants and corrective glasses or special contact lenses are usually needed to provide a patient with the best possible vision.

What is a Descemet's stripping automated endothelial keratoplasty?

A Descemet’s stripping automated endothelial keratoplasty (DSAEK) is a partial thickness corneal transplant aimed at replacing damaged or poorly functioning endothelial cells. These cells function as pumps that keep the cornea optically clear so their dysfunction usually leads to a cloudy cornea.

The DSAEK can be done with only small incisions to the cornea and has a much faster rate of recovery and better potential vision after surgery than a PKP. A DSAEK graft consists of endothelial cells with a portion of the center of the cornea called the stroma.

While new techniques like DMEK have advantages over DSAEK, it is still an excellent surgical option for eyes that have other problems like glaucoma or a history of retinal detachments.

What is a Descemet's membrane endothelial keratoplasty?

A Descemet’s membrane endothelial keratoplasty (DMEK) represents the latest in corneal transplant technique and technology. Like DSAEK, DMEK is a partial thickness corneal transplant whose goal is to replace dysfunctional endothelial cells. A DMEK graft is only a few microns thick and involves no excess tissue. This leads to faster visual recovery and improved visual potential.

What is Fuchs Dystrophy?

Fuchs’ dystrophy is a disease of endothelial dysfunction that usually occurs in older adults. It can be sporadic or run in families. Endothelial cells function as pumps to keep the cornea optically clear. When these pumps stop working properly, the cornea can become cloudy. This causes blurred vision and in advanced cases the cloudy cornea can begin to break down and lead to painful blisters called bullae. Fuchs’ dystrophy can be surgically corrected with partial thickness cornea transplants like DSAEK and DMEK.

Image of Fuchs' dystrophy, a condition where endothelial cell dysfunction in the cornea causes cloudiness and blurred vision, common in older adults. Advanced stages may lead to painful bullae, treatable with partial cornea transplants such as DSAEK and DMEK.

What is a pterygium?

A pterygium is a noncancerous growth of tissue onto the cornea. It originates from the conjunctiva (clear layer of tissue covering the white of the eye) and is associated with sun exposure. A pterygium can cause irritation, redness, and decreased vision as it moves towards the center of the cornea. It can be surgically removed to fix these concerning symptoms and provide better cosmetic appearance.

Close-up image of veins on the right side of the iris, highlighting early signs of pterygium.

Second image shows the entire eye with a pterygium growth on the opposite side of the cornea, illustrating its progression. Pterygium is a noncancerous tissue growth often caused by sun exposure, leading to irritation and vision issues.

What is a corneal abrasion?

When someone says they’ve scratched their eye, they likely have a corneal abrasion. A corneal abrasion is where the top layer of cell protecting the eye, called the epithelium, is removed. Due to the high number of nerves in the cornea, this can be extremely painful and lead to infection and scarring if the wound becomes infected. If properly treated, corneal abrasion usually heals within a few days.

What is a corneal ulcer?

A corneal ulcer is an infection of the deeper layers of the cornea. It can be caused by bacteria, viruses, fungus and even some parasites. These infections are very serious and can be potentially blinding if not treated appropriately. Sleeping in contacts increases your risk of a corneal ulcers by 6 to 8 times!

Can I get shingles in my eye?

The shingles virus (also known as varicella zoster virus or VZV) is the same virus that causes chickenpox. Once we are infected by chickenpox, the virus forever lives in certain nerves of our body. Occasionally, this virus can reactivate causing a painful blistering rash called shingles.

The virus can even appear in the eyes causing nerves damage, painful ulceration, and permanent scarring. It is important to have your eyes examined if you have shingles on your face or forehead to ensure that there is no ocular involvement.

What is anterior basement membrane dystrophy?

Anterior basement membrane dystrophy (ABMD) is a disease where the top layer of cells on the cornea called epithelium does not adhere to the rest of the cornea properly. This can lead to painful epithelial erosions caused by the tissue sloughing off or being torn. These erosions usually occur during the night or in the morning when the eyes become dry and the eyelid sticks to this fragile tissue. Fortunately, there are multiple medical and surgical treatment options to improve and often resolve this condition.

Image showing the effects of anterior basement membrane dystrophy (ABMD), where the cornea's top epithelial layer fails to adhere properly, leading to painful erosions. The condition often causes discomfort in the morning or at night due to dry eyes and fragile tissue sticking to the eyelid. Various medical and surgical treatments are available to manage ABMD.

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Comprehensive Eye Examination

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What to expect from your visit

A comprehensive eye exam will help us get an understanding of the health of your eyes so that we can recommend a plan of care unique to your needs. Eye exams are comprised of questions and short tests that provide detailed information on various functions and parts of the eye. This short video will walk you through the whole process from start to finish so that you know what to expect.

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Our Locations

Monday-Thursday 8:00 am - 5:00 pm
Friday 8:00 am - 3:00pm

Idaho Falls, ID

2100 Providence Way Idaho Falls, ID 83404

Located South of EIRMC and Sunnyside Rd in Idaho Falls

Location Details

(208) 529-6600

Pocatello, ID

1777 E Clark St #310 Pocatello, ID 83201

Located on Clark St. right off of I-15 take exit 69. Between 16th & 17th Ave.

Location Details

(208) 232-4133

Rexburg, ID

23 Sawtelle Ave Suite 102 Rexburg, ID 83440

Right off of Main Street West of HWY-20 across from Valley Wide Country Store & Blister's BBQ.

Location Details

(208) 359-1888

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Hundreds of Happy Patients Throughout Eastern Idaho

Rexburg Office

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Idaho Falls Office

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Dr Thompson runs a first rate medical office. He is extremely competent and excellent communicator,... My experience is that it is rare to find all these qualities in any one doctor...

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