Mr. Vinay's 65 years old mother is complaining about blurred vision in both the eyes due to which the cannot see things clearly. Mr. Vinay took his mother to an eye hospital. The doctor examined the eyes of his mother carefully and concluded that she has a medical condition which could not be corrected by using any type of spectacle lenses and it required surgery. The mother's eyes were operated upon and she could see properly once again.
(a)What could be the defect in the eyes of Mr. Vinay's mother ?
(b) What has happened to the eye lens during this defect ?
(c) What is done during surgical operation of eyes to restore the correct vision ?
(d) What would happen if eye surgery of a pereson having this defect in not done ?
(e) What values are shown by Mr. Vinay in this episode ?

Explanation

(a) The defect in the eyes of Mr. Vinay mother is known as cataract.
(b) During the development of cataract, a membrane is gradually formed over both the eye-lenses making the eye-lenses cloudly. This make the vision blurred.
(c) During surgical operation, the cloudy eye-lenses are removed from the eyes and suitable artificial lenses are inserted in their place.
(d) If the eye surgery of a person having cataract is not done then the vision of this person will go on becoming more and more blurred, and ultimately the person would not be able to see anything at all.
(e) Mr. Vinay shows the values of (i) Awareness or knowledge (that eye-defects can be cured by eye-specialist doctors) (ii) Desire to mitigate the sufferings of others (here mother), and (iii) Sense of responsibility (towards old mother).