There is an essential difference between the simulated eye and the human eye.The simulated eye is a simple refractive system,and retinoscopy optometry of the simulated eye is easy to use.While the human eye is not just a refractive system,but also has mechanisms such as crystal conditioning and pupil change,which makes it difficult to operate human eye retinoscopy optometry.Therefore,the simulated eye examination is the basis of optometric learning,and it is necessary to master the technique of the simulated eye retinoscopy optometry,and then human eye examination may be carried out.
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