The accommodation is, in fact, brought about by the action of the ciliary muscle.
The ciliary muscle and the ligamentum pectinatum are both derived from the mesoblast between the cornea and the iris.
Its stimulant action on the iris and ciliary muscle is employed when they are weak or paralysed.
Can there have been a momentary unnoticed spasm of the ciliary muscle, with the result of extending the range of vision?
Most remarkable of all was the ciliary muscle which held the capacity of contracting the lens for distant vision.
Besides the sphincter pupillae, the fibres of the ciliary muscle are stimulated.
The ciliary muscle is generally thought to effect the change of form of the crystalline.
In the former case the ciliary muscle adjusts the lens in order to produce a defined image upon the retina.
ciliary muscle n.
A smooth muscle of the ciliary body of the eye, consisting of circular fibers and radiating fibers, and whose action changes the shape of lens in the process of accommodation.