A student has difficulty in reading the blackboard while sitting on the last desk. From what defect of vision is he suffering? How can it be corrected? Draw ray diagram for it.

Question

​A student has difficulty in reading the blackboard while
sitting on the last desk From what defect of vision is he
suffering? How can it be corrected? Draw ray diagram for it

Sonam Kumari · Accepted Answer

He is suffering from a disease known as Myopia Near-sightedness,
also known as short-sightedness and myopia, is a condition of the
eye where light focuses in front of, instead of on, the retina This
causes distant objects to be blurry while close objects appear
normal Other symptoms may include headaches and eye strain Severe
near-sightedness increases the risk of retinal detachment,
cataracts, and glaucoma It can be corrected by using glasses and
contact lenses <img src=
"https://s3mn%20mnimgs%20com/img/shared/ck-files/ck_587258cf378fa%20png">

​A student has difficulty in reading the blackboard while sitting on the last desk. From what defect of vision is he suffering? How can it be corrected? Draw ray diagram for it.

A student has difficulty in reading the blackboard while sitting on the last desk. From what defect of vision is he suffering? How can it be corrected? Draw ray diagram for it.