![Causes of eye defects correction using convex and concave lenses myopia short-sightedness hyperopia long-sightedness IGCSE/GCSE Physics revision notes Causes of eye defects correction using convex and concave lenses myopia short-sightedness hyperopia long-sightedness IGCSE/GCSE Physics revision notes](https://www.docbrown.info/ephysics/ephyspics/eyelens1.gif)
Causes of eye defects correction using convex and concave lenses myopia short-sightedness hyperopia long-sightedness IGCSE/GCSE Physics revision notes
![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)
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
![What is this eye defect called when a person is long-sighted and short- sighted at the same time? - Quora What is this eye defect called when a person is long-sighted and short- sighted at the same time? - Quora](https://qph.cf2.quoracdn.net/main-qimg-2601925c8a6a6ee675d2e0d84210e0d3.webp)
What is this eye defect called when a person is long-sighted and short- sighted at the same time? - Quora
![Short And Long Sightedness Royalty Free SVG, Cliparts, Vectors, and Stock Illustration. Image 32265873. Short And Long Sightedness Royalty Free SVG, Cliparts, Vectors, and Stock Illustration. Image 32265873.](https://previews.123rf.com/images/joshyabb/joshyabb1410/joshyabb141000108/32265873-short-and-long-sightedness.jpg)