Mr Pullum and the other presenters at the event demonstrated that sclerals are straightforward to fit, in many cases easier than a corneal lens
Each small eye, known as an ommatidium, consists of a corneal lens
, a crystalline cone, and a light sensitive organ at the base.
The absence of a corneal lens
on each stemma was readily apparent when non-sclerotized internal material was removed with 15% KOH.
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In case anyone gets the wrong idea a cyborg is a combination of machine and living organism, which means anyone with a pacemaker, artifical joint, limb, drug implant system, implanted corneal lens
or artificial skin is technically a cyborg.
Ordinarily, light passes through the corneal lens
and focuses images on the rear portion of the eye, known as the retina.
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An apparent shift in the position of the fourth corneal lens
to a more ventral position also supports this hypothesis.
Some corneas are so irregular or asymmetric that a corneal lens
simply will not stay in the eye.