Anatomical narrow angle digital illustration

Anatomical narrow angle Save

ICD-10 code: H40.03

Chapter: Diseases of the eye and adnexia

Anatomical Narrow Angle: Causes, Symptoms, and Treatment

Anatomical narrow angle (ANA) is a condition where the space between the iris and the cornea in the eye is smaller than usual. This can cause blockage of the drainage system in the eye, leading to a sudden increase in eye pressure and a risk of vision loss. ANA is a rare but serious condition that requires immediate medical attention.

  1. Causes: ANA is an anatomical abnormality that may be present from birth. It can also develop later in life due to age-related changes in the eye or as a result of certain medical conditions such as cataracts, tumors, or inflammation.
  2. Symptoms: ANA usually has no symptoms until a sudden increase in eye pressure occurs. Symptoms of this increase may include severe eye pain, blurred vision, halos around lights, nausea, and vomiting. If you experience any of these symptoms, seek medical attention immediately.
  3. Treatment: Treatment for ANA typically involves laser surgery to create a small opening in the iris and improve the drainage of fluid from the eye. This procedure is called a laser iridotomy. In some cases, medication may also be prescribed to lower the eye pressure. Regular follow-up appointments with an eye doctor are important to monitor the condition and prevent complications.

If left untreated, ANA can lead to permanent vision loss and even blindness. It is important to seek medical attention immediately if you experience any symptoms of increased eye pressure. Early diagnosis and treatment can help prevent complications and preserve vision.

Overall, ANA is a serious condition that requires prompt attention and treatment. If you have any concerns about your eye health or are experiencing any symptoms, don't hesitate to contact your eye doctor.