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表2实验后ERG a,b波、ΣOPs振幅的比较（略）
本研究结果显示, 糖尿病大鼠成模6wk后ERG a波、b波和OPs潜伏期较对照组明显延长，而ERG b波和OPs振幅较对照组有显著下降, 说明在糖尿病早期,视网膜神经元和（或）神经胶质细胞的功能已发生改变; 而使用EPO的早期糖尿病大鼠的视网膜ERG a波，b波和OPs潜伏期及ERG b波和OPs振幅未发生明显改变,说明其视网膜神经细胞功能未受到影响;实验结果表明EPO 对早期糖尿病大鼠视网膜神经细胞具有保护作用，但EPO对视网膜神经细胞保护作用机制仍有待进一步研究发现。
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