Question

How should I explain my chart to the external examiner topic is the human eye........ Please help

Answer 1

Firstly explain that what is eye, it's functions and how valuable is eye to humans..

Then u can explain the structure and working of eye..

And at last u can tell ur examiner that how this precious eyes are getting defected and u can explain the defects too. The two main defects u can explain are :-
1. Myopia
2. Hypermetropia