The patient has dysmorphic features with prominent forehead, maxillary hypoplasia, a hooked nose and prognathism
(the lower jaw shows forward protrusion). The eyes are proptosed with shallow orbits. There may be divergent strabismus.
Mention that you like to examine:
- the optic nerve function by examining the fundi for optic atrophy
1. What is the cause of Crouzon's syndrome?