How to effectively correct ocular aberrations which vary fast from person to person and improve the application scope of adaptive optics retinal imaging system is the biggest problem in clinical application. It is difficult for a single corrector to compensate both low order and high order ocular aberrations simultaneously. Due to the correction requirements of high order aberrations, a 169-element discrete piezoelectric deformable mirror with 3 millimeters spacing is successfully developed. Combined with a large stroke bimorph mirror, a retinal imaging system with two deformable mirrors is developed. The system can compensate low order aberrations up to ±4.5 diopters of defocus and ±3 diopters of cylindrical. High order Zernike aberrations up to the 8th order can also be corrected by this system. Both imaging quality and application scope are significantly improved. Taking the size of low order aberrations as inclusion criteria, a little sample is tested by the human retinal imaging experiment, and near diffraction-limited retinal images are achieved. The system has a clear application scope, which is convenient for future clinical application.