Best Vision Eye Hospital

Cornea

What is a Cornea?

The cornea is the clear outer layer at the front of the eye. The cornea helps your eye to focus light so you can see clearly. The cornea is transparent it looks black/brown because of the underlying Iris muscle color. Several common conditions affect the cornea.

What are the main types of Corneal conditions?

Injuries:

Small abrasions (scratches) on the cornea usually heal on their own. Deeper scratches or other injuries can cause corneal scarring and vision problems.

Allergies:

Allergies to pollen can irritate the eyes and cause allergic conjunctivitis (pink eye). This can make your eyes red, itchy, and watery.

Keratitis:

Keratitis is inflammation (redness and swelling) of the cornea. Infections related to contact lenses are the most common cause of keratitis.

Dry eye:

A dry eye happens when your eyes don’t make enough tears to stay wet. This can be uncomfortable and may cause vision problems.

Corneal dystrophies:

Corneal dystrophies cause cloudy vision when material builds up on the cornea. These diseases usually run in families.

There are also several less common diseases that can affect the cornea — including ocular herpes, Stevens-Johnson Syndrome, iridocorneal endothelial syndrome, and pterygium.

When to get help right away?

Go to the eye doctor or the emergency room if you have:

● Intense eye pain

● Change in vision

● Blurry vision

● Very red, watery eyes

● An object stuck in your eye

● A serious eye injury or trauma — like getting hit hard in the eye

Am I at risk for corneal conditions?

Some corneal conditions, like corneal dystrophies, run in families. But there are steps you can take to lower your risk of corneal injuries and infections. To prevent corneal injuries, wear protective eyewear when you:

● Play sports that use a ball or puck, like baseball or hockey

● Do yard work, like mowing the lawn or using a weedwhacker

● Make repairs, like painting or hammering

● Use machines, like sanders or drills

● Use chemicals, like bleach or pesticides

If you wear contact lenses, always follow the instructions to clean, disinfect, and store your lenses. This can help prevent corneal infections, like keratitis.

Am I at risk for Keratoconus?

● Keratoconus can run in families

● Most commonly it is caused by eye rubbing in case of allergies

● It can also be caused by long hours of screening

● Symptoms of Keratoconus – frequent change in power calls for an urgent eye check-up as it can be due to keratoconus

 

Feel like something’s stuck in your eye?

● Try blinking several times

● Try rinsing your eye with clean water or saline (salt) solution

● Try pulling your upper eyelid down over your lower eyelid

● Don’t rub your eye — you could scratch your cornea

● If an object is stuck in your eye, don’t try to remove it yourself

— Visit your eye doctor or the emergency room

 

How will my eye doctor check for corneal conditions?

Eye doctors can check for corneal conditions as part of a comprehensive eye exam. The exam is simple and painless. To check for corneal abrasions (scratches), your eye doctor may use a special type of eye drop called fluorescein dye. The dye makes corneal abrasions easier

Frequently Asked Questions(FAQs)-

The cornea, along with the lens, helps to refract and focus light onto the retina. A healthy cornea is essential for clear vision.

Corneal transplantation, or corneal grafting, is a surgical procedure where a damaged or diseased cornea is replaced with a healthy donor cornea. This procedure is often performed to restore vision or alleviate pain.

Yes, the cornea can be injured by trauma, scratches, or foreign objects. Prompt medical attention is crucial to prevent complications and ensure proper healing.

Keratoconus is a progressive condition in which the cornea becomes thin and cone-shaped, causing distorted vision. Specialized contact lenses or surgical interventions may be recommended for management.

Corneal dystrophies are a group of genetic eye disorders that result in abnormal deposits in the cornea. They can affect vision and may require different treatment approaches.

In many cases, individuals with corneal conditions can wear specialized contact lenses designed to address their specific needs. However, this should be discussed with an eye care professional.

Protect your cornea by wearing appropriate eye protection during activities that pose a risk of eye injury, practicing good hygiene to prevent infections, and seeking prompt medical attention for any eye injuries.

Symptoms may include blurred or distorted vision, eye pain, redness, sensitivity to light, and excessive tearing. If you experience any of these symptoms, consult an eye care professional for a comprehensive eye examination. Remember, if you have concerns about your corneal health or vision, it’s important to contact us now.