What happens if ciliary muscles are weakened?
What happens if ciliary muscles are weakened? If the ciliary muscles of the eye are damaged the person will have a blurred vision without proper focussing. It contracts and relaxes in order to "change the focal length" of the lens and enables short distance vision and long distance vision. If the damage persists the person may lose the entire vision. What happens when ciliary muscles are strained? Ciliary spasm, in which the ciliary muscles inside the eyes (which are used to focus up close) become temporarily tight and create a cramping sensation. Convergence insufficiency, which is difficulty aligning the eyes...