![BERNAMA on Twitter: "[Infographics] Difference between short, long- sightedness & astigmatism https://t.co/Rj7gaDY6L3" / Twitter BERNAMA on Twitter: "[Infographics] Difference between short, long- sightedness & astigmatism https://t.co/Rj7gaDY6L3" / Twitter](https://pbs.twimg.com/media/DnwEvavUwAAHdSw.jpg)
BERNAMA on Twitter: "[Infographics] Difference between short, long- sightedness & astigmatism https://t.co/Rj7gaDY6L3" / Twitter
![Human eye, normal vision (top), myopia or short-sightedness (middle) and hyperopia or long-sightedness (bottom Stock Photo - Alamy Human eye, normal vision (top), myopia or short-sightedness (middle) and hyperopia or long-sightedness (bottom Stock Photo - Alamy](https://c8.alamy.com/comp/WEA0NW/human-eye-normal-vision-top-myopia-or-short-sightedness-middle-and-hyperopia-or-long-sightedness-bottom-WEA0NW.jpg)
Human eye, normal vision (top), myopia or short-sightedness (middle) and hyperopia or long-sightedness (bottom Stock Photo - Alamy
![a) What is long-sightedness? State the two causes of long-sightedness. With the help of ray diagram, show:i) the eye defect long sightednessii) correction of long-sightedness using a lensb) An eye has a a) What is long-sightedness? State the two causes of long-sightedness. With the help of ray diagram, show:i) the eye defect long sightednessii) correction of long-sightedness using a lensb) An eye has a](https://www.learnatnoon.com/s/in//wp-content/uploads/sites/8/2021/09/refr21-11.jpg)