Eye

Orbital Separation

search

Orbital Separation, Hypertelorism, Hypotelorism

  • Definitions
  1. Hypertelorism
    1. Excessive Orbital Separation (increased space between the eyes)
    2. Results from overdeveloped sphenoid lesser wings
  2. Hypotelorism
    1. Decreased oribtal separation (decreased space between the eyes)
  • Causes
  • Hypertelorism (increased spacing between the eyes) examples
  1. Apert syndrome
  2. Trisomy 18 (Edwards Syndrome)
  3. Basal Cell Nevus Syndrome
  4. DiGeorge Syndrome
  5. Neurofibromatosis 1
  6. Noonan Syndrome
  7. Zellweger Syndrome
  8. Pierre Robin syndrome
  • Causes
  • Hypotelorism (decreased spacing between the eyes) examples
  1. Fetal Alcohol Syndrome
  2. Fragile X Syndrome