| Myopia | Hypermetropia |
| It is also called near-sightedness | It is also called long-sightedness |
| In Myopia, we see nearby objects clearly but are not able to see far away objects clearly | In Hypermetropia, we see far objects clearly but are not able to see nearby objects clearly |
| For people having Myopia, the image is formed in front of the Retina | For people having Hypermetropia, the image is formed behind the Retina |
| It is caused due to excessive curvature of eye lens or elongation of eye ball. | It is caused when eye ball is too short or when focal length of eye is too long |
| Myopia is corrected by using a Concave Lens of suitable power | Hypermetropia is corrected by using a Convex Lens of suitable power |
| Example - A student who is not able to see the blackboard clearly is suffering from Myopia | Example - An old person who is not able to read the letters of the newspaper is suffering from Hypermetropia |
For more details, check Defects of Vision
