A person is able to see objects clearly only when these are lying at distance between 50 cm and 300 cm from his eyes.
The person is suffering from both myopia and Hypermetropia.
The far point of the person is 300 cm that’s less than infinity hence myopic.
The near point of the person is 50 cm that is more than 25 cm hence the person is suffering from Hypermetropia.
The person needs a bifocal lens to clearly see the object.
The upper part of this bifocal lens is concave to correct myopia and the lower part is a convex lens to correct Hypermetropia.