The inspection is different: in the optical shop, the vision data detected by the comprehensive optometry instrument can not be directly used as the degree of glasses, and it must go through a series of optometry procedures such as inserting and testing light and trying on. Fitting glasses in a hospital is to use an optometrist to test vision, and then directly use the test data to fit glasses. In addition, optometry also has an eye disease examination.
The glasses made in this way will not make people feel distorted and dizzy, and it is also the best for protecting their eyesight. Moreover, in order to gain a good reputation and more customers, optical shops will do it themselves in the whole process of glasses fitting, which is beneficial to glasses fitting.
Precautions for glasses:
If the patient's vision is poor, it is first necessary to determine whether there is ametropia through mydriasis optometry. It is called ametropia because parallel light refracts through the refractive system of the eye and the focus cannot be located in the fovea of the macula. If the patient's naked eye vision reaches normal level after mydriasis, it is pseudomyopia and does not need glasses treatment.
After mydriasis, the vision is still abnormal, so you need to wear glasses for treatment. When wearing glasses, mydriasis optometry should be carried out first, except for true myopia and pseudomyopia of ciliary muscle paralysis. The next day, we should re-examine, fine-tune on the basis of the initial inspection, get accurate refractive power, and try on glasses according to the refractive power.
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