Mar 13, 2025 · Keratoconus (ker-uh-toe-KOH-nus) is an eye condition in which the clear, dome-shaped front of the eye, called the cornea, gets thinner, steeper and bulges outward into a cone shape. A cone-shaped cornea causes blurred vision and may cause sensitivity to light and glare.

Oct 30, 2023 · What causes keratoconus? The cause of keratoconus is largely unknown. Some studies have found that keratoconus runs in families, and that it happens more often in people who have certain medical conditions.

Dec 30, 2024 · Keratoconus is a condition in which your eye's cornea is unable to hold its round shape. This can make your vision less clear. WebMD explains how to recognize and treat...

What causes keratoconus? Although keratoconus has been studied for decades, it remains poorly understood. The definitive cause of keratoconus is unknown, though it is believed that the predisposition to develop the disease is present at birth.

Oct 31, 2024 · Keratoconus is when the cornea thins out and bulges like a cone. Changing the shape of the cornea brings light rays out of focus. As a result, your vision is blurry and distorted, making daily tasks like reading or driving difficult.

Mar 3, 2019 · Keratoconus signs and symptoms. As the cornea becomes more irregular in shape, it causes progressive myopia and irregular astigmatism to develop, creating additional problems with distorted and blurred vision. Glare and light sensitivity also may occur.. Often, keratoconic patients experience changes in their eyeglass prescription every time they visit their eye doctor.

Oct 8, 2024 · Keratoconus is a rare eye disorder that occurs when the transparent outer layer of the eye (cornea) becomes thin and bulges outward like a cone. It causes blurry vision , light sensitivity , double vision, glares, halos, and bad night vision.

Oct 8, 2021 · Keratoconus is a progressive condition characterized by a thinning of the cornea that causes it to lose its symmetrical dome shape. Lopsidedness of the cornea can lead to blurry or distorted...

May 15, 2024 · Keratoconus is an eye disease characterized by thinning and bulging of the cornea, the clear front surface of the eye. Keratoconus occurs when the collagen tissue that makes up the cornea weakens. As a result, the cornea begins to stretch and thin, becoming cone-shaped rather than dome-shaped.

Keratoconus (pronounced keh-rah-toe-cone-us) is an eye condition that affects the cornea on the front of your eye. It usually starts in your teens or 20s and generally worsens over time, finally becoming stable by the time you reach 40. What causes keratoconus? How does keratoconus affect sight? How is keratoconus usually managed?