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研制一种与人眼屈光系统极近似的模拟眼．球镜屈光度自0.00DS－±20．00DS；柱镜度自±0.25DS－±6．00DS；轴向0－180度；瞳孔直径在1－10mm之间，四项指标可任意组合，模拟出所有屈光不正病例的屈光状态（不规则散光除外），用以培养训练初学者在小瞳或形瞳状态下的客观检影验光技能，实现对客观检影验光准确度的自我验证或考核需要。对提高验光配镜卫生质量有重要意义，具有较高的实用价值。
Develop a simulation eye similar to the human eye refractive system. Spherical refraction from 0.00DS- ± 20.00DS; cylinder from ± 0.25DS- ± 6.00DS; axial 0-180 degrees; pupil diameter between 1-10mm, the four indicators can be any combination of simulated Refractive errors in all cases (except for irregular astigmatism), to train training beginners in pupil or pupil state of the objective retinoscopy optometry skills to achieve the accuracy of objective retinoscopy self-validation or assessment need. To improve the quality of optometry glasses is of great significance, with high practical value.