Retinal diseases

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Retinal Diseases

Retinal diseases (/rɪˈtɪnəl/ ri-TIN-əl) are disorders that affect the retina, a thin layer of tissue located in the back of the eye. These diseases can affect the ability to see and, in severe cases, can lead to blindness.

Etymology

The term "retinal" is derived from the Latin word "retina," which means "net." This is likely due to the net-like arrangement of cells in the retina.

Types of Retinal Diseases

There are several types of retinal diseases, including:

  • Retinal detachment: This occurs when the retina pulls away from the tissue around it. It's a medical emergency that can lead to permanent vision loss if not treated promptly.
  • Macular degeneration: This is a common condition in older adults that results in loss of vision in the center of the visual field.
  • Diabetic retinopathy: This is a complication of diabetes that damages the blood vessels in the retina.
  • Retinitis pigmentosa: This is a group of rare, genetic disorders that involve a breakdown and loss of cells in the retina.

Symptoms

Symptoms of retinal diseases can vary depending on the specific condition, but may include:

  • Blurry or distorted vision
  • Seeing floaters or flashes of light
  • Loss of peripheral vision
  • Difficulty seeing at night

Treatment

Treatment for retinal diseases depends on the specific condition and may include medication, laser treatment, or surgery. It's important to see an ophthalmologist regularly for eye exams, especially if you have risk factors for retinal diseases.

Related Terms

External links

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