Links
[1] http://ghr.nlm.nih.gov/gene/CBS
[2] http://ghr.nlm.nih.gov/gene/MTHFR
[3] https://disorders.eyes.arizona.edu/disorders/homocystinuria-mthfr-deficiency
[4] http://omim.org/entry/236250
[5] https://disorders.eyes.arizona.edu/references/management-ophthalmic-complications-homocystinuria
[6] https://disorders.eyes.arizona.edu/references/ocular-complications-and-new-surgical-approach-lens-dislocation-homocystinuria-due
[7] https://disorders.eyes.arizona.edu/references/natural-history-homocystinuria-due-cystathionine-beta-synthase-deficiency
[8] https://disorders.eyes.arizona.edu/references/ocular-manifestations-marfan-syndrome-and-homocystinuria