Corneal Conditions

The cornea is the ‘window’ to the outside world. It is a clear, curved structure with considerable strength.

The function of the Cornea

The function of the cornea is to allow transmission of light into the eye and help to focus the light near to the retina. Any problems within the cornea can lead to symptoms of blur due to either a lack of transparency or due to an irregular shape. Pain can be associated with corneal disease.

Corneal pathology can be from a variety of factors but the most common diseases are listed below.

Corneal Conditions


Keratoconus is an eye disease that causes the central area of the cornea to become progressively weak and thinner, making the shape ‘bulge’ in an irregular manner.

Herpes Simplex Keratitis (HSK)

The localised infection can often be treated very effectively but if it is left untreated, it can cause permanent vision damage.

Fuch's Endothelial Dystrophy (FED)

If the number of endothelial cells from the cornea drop below a critical density the cornea will begin to cloud and blur vision.

Recurrent Erosion Syndrome

Patients typically report attacks of mild to severe eye pain, redness, tearing, and light sensitivity. Some patients may report blurred vision.

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