Fig. 65. Minification
by spectacle lens in myopia. a. The lens is close to the eye and
forms an image of height Y1', which subtends an angle
at
the eye, as shown in b. c. When the lens is fitted farther fro the
eye, it forms an image of height Y2', which subtends a smaller
angle '
at the eye, as shown in d. The farther from the eye that the correction
lens is fitted, the greater is the minification. |