Most research on the vision of fish is done either by physical or chemical examinationof different parts of their eyes or by determining how laboratory fish respond to various images or stimuli.
鱼视力的大多数研究，是以通过物理或化学检查不同部位的眼睛或决定如何应对各种鱼类实验室图像或刺激。
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Methods In 583 cases(1 111 eyes) randomly collected, the routine check of the vision and refraction were done, followed by examination by the pinhole.