Presbyopia is the defect of eye in which a person cannot see further as well as nearer objects clearly. This defect of vision commonly occurs to old people
A person may not able to distinct object as well as nearby object…..defect is called presbyopia
???

Presbyipia is a kind of eye defect in which an old person can\’t see properly neither far distant object nor near object
It is a kind of hypermetropia eye type defect .
Presbyopia is kind of eye defect

Thanks every one
In such case both nearer and distant objects are not visible clearly.
Some people feel difficult to see both nearby and distant object ,this diffect is know as presbyopia
It is the loss of the eyes ability to change its focus or focal length to see nearer objects. It can be cured by using bifocal lens.