As mentioned above, most IOLs are placed into the posterior chamber, behind the pupil. Unless the pupil is dilated, you probably will not be able to see the haptics. (The haptics look like blue nylon fish line.) Only the center of the IOL's optic should be visible through the normal (undilated) pupil. The entire lens assembly should be in the posterior chamber, and the optic should be on a level plane with the iris.
Documentation (if PC IOL is present): PC IOL clear and in place Posterior Lens Capsule
When a cataract is removed, the posterior lens capsule is often left in place to support a posterior IOL. If it is clear, as it should be, you may barely be able to see it. When you direct the beam straight-on and directly through the pupil, the capsule should light up evenly without any opacities or irregularities. Documentation: capsule clear
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