a ring of muscle ciliary muscle ciliary muscle English ciliary muscle Ciliary muscle ciliary muscle Ciliary muscle Ciliary muscle English ciliary muscle ciliary muscle Ciliary muscle Ciliary muscle Ciliary muscle ciliary muscle Ciliary muscle ciliary muscle ciliary muscle ciliary muscle ciliary muscle English ciliary muscle ciliary muscle ciliary muscle ciliary muscle ciliary muscle Ciliary muscle Ciliary muscle ciliary muscle ciliary muscle ciliary muscle ciliary muscle ciliary muscle English English ciliary muscle ciliary muscle Ciliary muscle English ciliary muscle ciliary muscle ciliary muscle Ciliary muscle ciliary muscle Ciliary muscle ciliary muscle ciliara muskolo Ciliary muscle Ciliary muscle English ciliary muscle