<prompt> Depth of AC is:2-3 mm3-4 mm4-5 mm6-8 mm  <response>: Anterior chamberAC - space between the posterior surface of cornea the Anterior surface of iris. Depth of anterior chamber is measure from center of cornea to center of pupil average 2.5mm shallow AC- in elderly women, hypermetropes deep AC in young males, myopes volume -0.25 to 0.3 ml BOTH AC AND PC CONTAINS AQEOUS HUMOUR Posterior chamberPC - space betwee the posterior suface of iris and anterior surface of lens. Anterior Segment - All structures anterior to Lens Ant segment AC PC Posterior Segment - all structures posterior to lens 