CBSE Class 9 Answered
what are cataracts?
Asked by Mahek Sanghvi | 03 Feb, 2014, 08:07: PM
Expert Answer
A cataract is clouding or opacity of the lens that results in decreased vision. It is a defect of vision caused by the formation of a membrane over the lens causing the lens to become cloudy and milky. . Some of the causes for the formation of cataract are aging, ultraviolet damage to the eye lens, heredity, alcohol, smoking, trauma and prolonged use of certain medicines. Cataract can be corrected by the surgical removal of the membrane.
Answered by | 04 Feb, 2014, 10:43: AM
Application Videos
Concept Videos
CBSE 9 - Biology
Asked by surajdabas414 | 14 Nov, 2023, 03:08: PM
ANSWERED BY EXPERT
CBSE 9 - Biology
Asked by aryay7355 | 11 May, 2022, 08:51: PM
ANSWERED BY EXPERT
CBSE 9 - Biology
Asked by ankitasingha441 | 10 Nov, 2021, 06:44: PM
ANSWERED BY EXPERT
CBSE 9 - Biology
Asked by nikhilmgs1234 | 18 Mar, 2021, 08:30: PM
ANSWERED BY EXPERT
CBSE 9 - Biology
Asked by harjot.arshleen | 25 Feb, 2021, 06:53: PM
ANSWERED BY EXPERT
CBSE 9 - Biology
Asked by harjot.arshleen | 02 Feb, 2021, 06:16: PM
ANSWERED BY EXPERT
CBSE 9 - Biology
Asked by sauravkumar40702 | 20 Jan, 2021, 03:51: AM
ANSWERED BY EXPERT
CBSE 9 - Biology
Asked by nagankerimanikreddy | 05 Jan, 2021, 06:18: PM
ANSWERED BY EXPERT
CBSE 9 - Biology
Asked by sanjidpkedpt | 02 Jul, 2020, 08:37: PM
ANSWERED BY EXPERT
CBSE 9 - Biology
Asked by balwant.singh.siral | 08 Jan, 2020, 06:27: PM
ANSWERED BY EXPERT