Cataracts: A Cloudy Lens

Cataracts are a common eye condition characterized by the clouding of the lens in the eye, which can lead to decreased vision. Here’s a comprehensive overview:

What Are Cataracts?

Cataracts are a common eye condition where the lens of the eye becomes cloudy, leading to blurred or decreased vision. This clouding occurs due to changes in the proteins of the lens, which can happen naturally with aging or due to other factors. read more

The Squeezing Pain of Angina

Angina, often referred to as angina pectoris, is a type of chest pain or discomfort that occurs when the heart muscle doesn’t get enough oxygen-rich blood. Here’s a detailed overview:

Types of Angina

  1. Stable Angina:
    • Characteristics: Occurs with exertion or stress and typically resolves with rest or medication.
    • Duration: Usually lasts a few minutes.
  2. Unstable Angina:
    • Characteristics: Can occur at rest, is more severe, and lasts longer. It may signal an impending heart attack.
    • Duration: Can last longer and is not relieved by rest.
  3. Variant (Prinzmetal’s) Angina:
    • Characteristics: Caused by spasms in the coronary arteries, often occurring at rest, and can happen at any time, including during sleep.
    • Duration: Usually short-lived.

Causes

The primary cause of angina is reduced blood flow to the heart muscle, typically due to coronary artery disease (CAD). Here are the main causes and contributing factors: read more

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