Cataracts Quiz

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Reviewed By:

Masashi Mimura

Masashi Mimura, MD (Ophthalmology)

From our team of 50+ doctors

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Learn more about Cataracts

Content updated on Sep 20, 2022

What is cataracts?

Degeneration of the lens inside the eye, causing it to become opaque. As a result, lights appear glaring and vision becomes blurred. In the elderly, cataracts are usually caused by aging, In children however, it may be due to genetic conditions, drugs, or viral infections while in the womb.

Symptoms of cataracts

  • Poor vision

  • Seeing flashes of light

  • Blind spots or blind areas in vision

  • Poor eyesight in the dark (Night blindness)

  • Color blindness or a recent change in color perception

  • Blurred vision

  • Can see tiny dots or objects in vision, i.e. floaters

  • Seeing jagged spots of light, like the teeth of a saw

Questions your doctor may ask to check for cataracts

Your doctor may ask these questions to diagnose cataracts

  • Do you feel that your eyesight is worsening recently?

  • Do you see flickering or flashes of light even when you are in a dark room?

  • Do you have partial loss of vision?

  • Are you having problems seeing in the dark or your sight adjusting to the dark?

  • Do you have color blindness or a recent change in color perception?

Treatment for cataracts

Lifestyle adjustments like using a magnifying glass to read, and increasing the lighting power at home can improve symptoms. Surgery to replace the lens is commonly done and effective.

View the symptoms of Cataracts


  • Thompson J, Lakhani N. Cataracts. Prim Care. 2015 Sep;42(3):409-23. doi: 10.1016/j.pop.2015.05.012. PMID: 26319346.

  • Shiels A, Hejtmancik JF. Biology of Inherited Cataracts and Opportunities for Treatment. Annu Rev Vis Sci. 2019 Sep 15;5:123-149. doi: 10.1146/annurev-vision-091517-034346. PMID: 31525139; PMCID: PMC6791712.

  • Davenport KM, Patel AA. Cataracts. Pediatr Rev. 2011 Feb;32(2):82-3. doi: 10.1542/pir.32-2-82. PMID: 21285306.

Reviewed By:

Masashi Mimura

Masashi Mimura, MD (Ophthalmology)

From our team of 50+ doctors

Just 3 minutes.
Developed by doctors.

Ubie is supervised by 50+ medical experts worldwide

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