A person who is trained to examine the eyes for vision problems and to prescribe corrective lenses.
 
        
             
        
        
        
Answer:ability to cope with stress 
Explanation:
 
        
             
        
        
        
Answer:
How science and technology is interrelated to other aspects of HPE?
Explanation:
If we use the scientific knowledge and skill rationally, aspects of environment, population and health are effectively developed. In such several ways health, population and environment are inter-related on the basis of science and technological aspects.