Cataract

High school (ages 12+)
Human Body

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/cataract

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the affected ocular structure?The crystalline lens
2. What is the primary pathological process?Protein aggregation and light scattering within the lens
3. Why does a cataract make vision blurry?The proteins in the lens get damaged or clump together, scattering light and reducing the amount that reaches the retina, so images look fuzzy.
4. How do doctors fix a cataract?Surgeons can remove the cloudy lens and replace it with a clear artificial lens called an intra‑ocular lens, which restores clear vision.

Crystallins: Transparent proteins that make up the bulk of the eye's lens and maintain its clarity.
Oxidative Stress: An imbalance between free radicals and antioxidants in the body, leading to cellular damage.
Intraocular Lens (IOL): An artificial lens surgically implanted in the eye to replace the natural lens removed during cataract surgery.