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TM 9-258
Figure 3-3. Action of iris compared with camera diaphragm .
c. The crystalline lens is transparent and is
of the ciliary body draw upon or release the outer edges
suspended by the ligaments and muscles of the ciliary
of the lens to change its refracting power by altering its
shape.
body which encircles it (A, fig 3-4). The front of the lens
rests against the aqueous humor, the rear against the
vitreous humor. The suspensory ligaments and muscles
3-4
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