The condition of the normal eye when parallel rays are focused exactly on the retina and vision is perfect.
The condition of the normal eye when parallel rays are focused exactly on the retina and vision is perfect.
屈光正常当平行光线恰好聚焦于视网膜并形成清晰视觉时正常眼睛的状态
The condition of the normal eye when parallel rays are focused exactly on the retina and vision is perfect.
屈光正常当平行光线恰好聚焦于视网膜并形成清晰视觉时正常眼睛的状态