By adjusting the lens through the ciliary muscle, we can see objects at different distances clearly. The ciliary muscle is like a worker on a production line. If it works 996 hours a day for a long time without rest, its elasticity will deteriorate and it will continue to be in a state of contraction. When you need to see distant scenery, it is no longer able to stretch the lens, so you become nearsighted. Although the ciliary muscle is already very tired, it is not on strike now, and you are just suffering from pseudomyopia. As long as you give it enough rest through medication or changing your eye habits, it can be rejuvenated and myopia can be cured. Since mixed myopia, which is a combination of both true myopia and false myopia, is more common, doctors must perform mydriasis refraction in order to obtain real myopia data. When performing mydriasis refraction, the doctor will first use a ciliary muscle paralytic (such as 1% atropine eye ointment or gel, 1% cyclopentolate hydrochloride eye drops and compound tropicamide eye drops) to paralyze the ciliary muscle before the true myopia degree can be obtained. Source: Higher-end humans |
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