Ophthalmic Technician

Category - Supplemental Skills

How are the measurements taken in exophthalmometry?
  1. The protrusion of the outer margin of the closed eyelid from the bridge of the nose
  2. The protrusion of the apex of the cornea from the outer margin of the orbital margin
  3. The distance between the two pupils
  4. The distance between the outer margin of both orbits
Explanation
Answer: B - The measurement taken in exophthalmometry is the distance between the apex of the cornea and the outer margin of the orbital margin.

Exophthalmometry is very useful in the diagnosis of proptosis. The distance between the two pupils is called inter-pupillary distance.
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