Total fundus DR, posteriorpole DR, and mid-peripheral DR were easy to be recognized clinically, but the diagnosis of peripheral type was easily missed.
全眼底型、后极部型和中周部型的病变在临床上较易辨认，而周而边部病变容易漏诊。
2
Results the congenital retinal vascular anomalies were located at the posteriorpole in 8 cases (10 eyes), and extended to peripheral retina in 1 case (2 eyes).
结果8例10只眼的血管变异位于视网膜后极部，1例2只眼血管变异从后极部延伸至中周部。
3
Conclusion: Multifocal ERG is useful for evaluating visual function in retinal disease and for locating lesions along the posteriorpole, especially in macular degeneration.