Corneal disease

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Corneal Disease

Corneal disease (/kɔːrˈniːəl diːˈziːz/) refers to a variety of conditions that affect mainly the cornea. These diseases can cause distorted vision, typically resulting from a change in the shape or clarity of the cornea. In severe cases, corneal disease can cause significant vision loss.

Etymology

The term "corneal" is derived from the Latin word "corneus," meaning "horny," due to the tough, clear structure of the cornea. "Disease" comes from the Old French "desaise," meaning "lack of ease."

Types of Corneal Disease

There are several types of corneal disease, including:

  • Keratitis - This is an inflammation of the cornea that can occur due to a variety of causes, including infection, dry eyes, or injury.
  • Corneal dystrophy - This is a group of rare genetic disorders that cause abnormal accumulation of substances in the cornea, leading to vision loss.
  • Corneal ulcer - This is an open sore on the cornea, often caused by an infection.
  • Fuchs' dystrophy - This is a slowly progressing disease that affects the innermost layer of cells in the cornea, leading to vision loss.

Symptoms

Symptoms of corneal disease can vary depending on the specific condition but may include:

  • Blurred or distorted vision
  • Pain or discomfort in the eye
  • Redness of the eye
  • Sensitivity to light
  • Feeling like something is in the eye

Treatment

Treatment for corneal disease depends on the specific type and severity of the condition. Options may include:

See Also

External links

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