corneal lens

cor·ne·al lens

contact lens of plastic without scleral portions.
References in periodicals archive ?
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.
diAMIX(TM) lens material offers an optically pure viewing experience with ultra-light, ergonomic properties; -- iONik(TM) lens tint takes artificial light and precisely tunes it to the physiology of the eye; -- i-Fi(TM) lens coatings capture good light from digital screens while filtering out glare and reflective light; and -- fRACTYL(TM) lens geometry mimics nature to aid the natural focusing power of the corneal lens and creates a preferential ocular microclimate.
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.
a leader in the development and marketing of a surgical solution for presbyopia through the development of its Flexivue[TM] Micro-Lens--a new and innovative implanted corneal lens that eliminates the need for reading glasses.
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.