Ophthalmic Technician

Category - Supplemental Skills

Anterior chamber depth measures the distance between which two ocular structures?
  1. Outer surface of cornea and lens
  2. Inner surface of cornea and outer surface of iris
  3. Outer surface of iris and lens
  4. Inner surface of cornea and lens
Explanation
Answer: B - Anterior chamber depth measures the distance between the inner surface of the cornea and the outer surface of the iris.

The anterior chamber is filled with aqueous humor fluid and is optically clear. Normally the central depth of the anterior chamber is about 2.5mm. It becomes shallower in the periphery.
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