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Eye Condition

Myopic Degeneration

Myopic degeneration is severe nearsightedness that stretches and thins eye tissues, causing progressive vision loss and higher retinal detachment risk.

A clean, cross-sectional eye diagram with an elongated globe and subtle pastel background

What is Myopic Degeneration?

Myopic degeneration, also known as myopic macular degeneration (MMD), is a condition that affects individuals with severe nearsightedness (high myopia). It occurs when the elongation of the eyeball leads to changes in the retina and underlying structures, causing progressive damage to the macula—the central part of the retina responsible for detailed vision. This can result in significant vision impairment and even blindness if not managed properly.

Symptoms of Myopic Degeneration

  • Blurred Central Vision: Gradual blurring of central vision, making tasks like reading and recognizing faces difficult.
  • Visual Distortions: Straight lines may appear wavy or distorted.
  • Dark or Empty Areas: Presence of dark spots or empty areas in the central vision.
  • Decreased Color Vision: Difficulty distinguishing colors.
  • Slow Progression: Symptoms typically worsen gradually over time.

Causes and Risk Factors

Myopic degeneration is primarily associated with high myopia, where the eyeball is abnormally long. This elongation stretches and thins the retina and other structures in the eye, leading to degeneration. Key risk factors include:

  • High Myopia: Severe nearsightedness, usually greater than -6.00 diopters.
  • Age: More common in older adults, although it can affect younger individuals with high myopia.
  • Genetics: Family history of high myopia and myopic degeneration.
  • Ethnicity: Higher prevalence in Asian populations.

Diagnosis

Early detection and accurate diagnosis are crucial for managing myopic degeneration effectively. Our clinic provides comprehensive diagnostic services, including:

  • Ophthalmic Examination: Detailed eye examination to assess the retina and macula.
  • Optical Coherence Tomography (OCT): High-resolution imaging to detect changes in the macula and measure retinal thickness.
  • Fluorescein Angiography: Imaging test to visualize blood vessels in the retina and identify areas of leakage or abnormal growth.
  • Visual Acuity Testing: To measure the clarity of central vision.

Frequently Asked Questions

Common questions we get asked about Myopic Degeneration.

No. Both affect the macula, but myopic degeneration is driven by an abnormally long eyeball, whereas AMD stems from age‑related changes in a normally sized eye.

A sudden shower of floaters, flashes of light, a dark curtain across vision, or rapid central‑vision loss can signal retinal tears or bleeding and require same‑day evaluation.

Protecting eyes from UV light, avoiding smoking, controlling blood pressure, and taking regular breaks from prolonged near work may lessen additional stress on the thinned retina.

Most specialists recommend a comprehensive dilated exam and OCT at least once a year; those with active lesions or new symptoms may need follow‑up every three to six months.

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