Keratoconus and Dry Eye: Understanding the Link
Keratoconus and dry eye frequently occur together, each making the other worse. Understanding how they interact is the first step toward finding lasting relief.
What is keratoconus?
Keratoconus is a progressive condition where the cornea gradually thins and takes on a cone-like shape, causing light to focus unevenly on the retina. This leads to distorted vision that worsens over time.
What is dry eye?
Dry eye occurs when the eyes don't produce enough tears, or when tears evaporate too quickly. Without proper lubrication, the eye surface becomes irritated and vision can turn blurry.
How they're connected
While these are separate conditions, they tend to amplify each other in a cycle that's hard to break without treating both.
The irregular surface of a keratoconic cornea disrupts the tear film, making dry eye symptoms worse. In turn, the inflammation and friction from dry eye can intensify keratoconus discomfort, together leading to blurry vision, irritation, and difficulty with everyday tasks like reading or night driving.
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