Question

Most common types of cataracts? Prevalence of each? 1 association for each?

Answer 1

The most common types of cataracts are nuclear, cortical, and posterior subcapsular cataracts. Nuclear cataracts are the most prevalent and are associated with aging and exposure to UV radiation. Cortical cataracts are associated with diabetes, smoking, and prolonged use of corticosteroids. Posterior subcapsular cataracts are associated with diabetes, corticosteroid use, and eye inflammation.

Step-by-step explanation:

Cataracts are the most common cause of vision loss in individuals over the age of 40. The three most common types of cataracts are:

1. Nuclear cataract: These form in the center (nucleus) of the lens and are typically associated with aging.
2. Cortical cataract: These form in the lens cortex, the area around the nucleus. They often have wedge-like spoke-like opacities.
3. Posterior subcapsular cataract: These form at the back of the lens, often causing glare and halos around lights.

Each type of cataract has a different prevalence depending on several factors such as age, genetics, and environmental factors. However, nuclear cataracts are the most prevalent, followed by cortical cataracts, and posterior subcapsular cataracts.

One association for each type of cataract:

• Nuclear cataracts have been associated with aging and exposure to ultraviolet (UV) radiation.
• Cortical cataracts have been associated with diabetes, smoking, and prolonged use of corticosteroids.
• Posterior subcapsular cataracts have been associated with diabetes, prolonged use of corticosteroids, and eye inflammation.