Features:
1.Reduce the pain and inconvenience of patient
2.Save time for patients and doctors,dilating need about 20 minutes
3.Won't affect patients' activity which improving their compliance
4.Non-mydriatic image with reliable quality
5.45 full-circle design
6.Switching anterior-posterior,para-position compensation lens
7.Split-line aligning focus
8.Exposure intensity automatic control
