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I think the problem you're having is in the way you're thinking that all contracted muscle shortens, and all relaxed muscle lengthens. But the cilia is different. The ciliary muscle is a circular or radial muscle (like the orbicularis oris of the mouth.) Thinking of it like a sphincter muscle is much more helpful. The ciliary muscle is attached at its ...


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There are a few more things that need to be considered to get a better understanding of the physiology. The ciliary muscles are not skeletal muscles (voluntary muscles that you can control) but smooth muscles (involuntary muscles which are under the control of the autonomous nervous system, which is self regulated by the parts of brain not under the ...


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I'm not a eye doctor but I do workout. I would like to say something about your metaphor or comparison from the ciliary muscle to the body muscles. Let's look at a workout. In a workout, you strain the muscle then relax the muscle repeatedly until you exhaust the muscle. Another part of the exercise is stretching. If you don't stretch, you will lose full ...



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