Final answer:
A focal cortical cataract is a specific type of cataract that affects the outer layer of the lens. It causes cloudiness or opacity in a specific region of the lens, leading to vision problems. Treatment typically involves cataract surgery.
Step-by-step explanation:
A focal cortical cataract is a specific type of cataract that affects the outer layer of the lens, called the cortex. It is characterized by cloudiness or opacity in a specific region of the lens, known as the focal point. This type of cataract can cause difficulty with both near and distance vision.
For example, a person with a focal cortical cataract may experience blurriness or distortion when looking at objects up close or far away. It can make reading, driving, and other activities that require clear vision challenging.
Treatment for focal cortical cataracts typically involves surgical removal of the cloudy lens and replacement with an artificial lens. This procedure is called cataract surgery and is performed by an ophthalmologist.