- Cited2 is required for the proper formation of the hyaloid vasculature and for lens morphogenesis. Chen, Y., Doughman, Y.Q., Gu, S., Jarrell, A., Aota, S., Cvekl, A., Watanabe, M., Dunwoodie, S.L., Johnson, R.S., van Heyningen, V., Kleinjan, D.A., Beebe, D.C., Yang, Y.C. Development (2008)