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The condition in which image is formed in front of the retina is called
a) nearsightedness                             
b) 
defect of vision
c) blind spotting                                  
d) farsightedness

a

Short sightedness is due to the
a) elongation of the eyeball
b) weakness of the retina
c) weaker muscles                       
d) shifting of the iris


a

Shortsightedness disorder is known as
a) hypertropia                                     
b) presbyopia
c) hyperopia                                        
d) myopia

d


In this defect the image is formed before the retina and far point comes closer



Long sightedness is known as
a) myopia                                            
b) hyperopia
c) hypermetropia                              
d) presbyopia

c

Long sightedness is rectified by using ……lens
a) convex                                             
b) concave
c) biconvex                                          
d) biconcave

a

In laser eye surgery a laser is used to reshape the….an improve the curve
a) retina                                                
b) cornea
c) ligament                                           
d) none of these


b