Page 360 - Color_Atlas_of_Physiology_5th_Ed._-_A._Despopoulos_2003
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A.  Imaging of (1) far and (2) near points



                                   O
         Optical                              α
           axis     P    N                       P   N
               F a             F p          F a           F p    I
        1                           2

         B.  Eye: Accommodation for (1) far vision and (2) near vision  Optical Apparatus of the Eye
          1  Lens adjusted for far vision  2  Lens adjusted for near vision
        From
          (>5m)
        8
                                                             F’ p
              F a
                   P  N                        F’ a  P  N
                               F p
                                                                       Plate 12.19
         C.  Presbyopia, myopia and hyperopia
            Distant object (at      )    Nearby object
                      8
            1                            2
         Presbyopia  Correction  Does not require glasses  3






            4                            5


         Myopia  6                       7
           Correction



            8                            9

         Hyperopia  10                   11
           Correction                                                 347




       Despopoulos, Color Atlas of Physiology © 2003 Thieme
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