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(The Open University (OUUK), 2011)
Hearing is a familiar and important human sense that is a topic naturally of interest to those who are curious about human biology. This unit will enable you to relate what you read to your own sensory experiences – and ...
Defects of Vision
(National Council Of Educational Research And Training (NCERT), 2014-04)
This document explain the concept and types of Defects of Vision. The vision becomes blurred due to the refractive defects of the eye.There are mainly three common refractive defects of vision. These are (i) myopia or ...