The word 'corneal' is a correct and usable term in written English.
It is an adjective form of 'cornea', which refers to the clear, outermost layer of the eye. You can use the word 'corneal' when discussing issues or conditions related to the cornea, such as corneal diseases or corneal surgeries. Example: The patient underwent a corneal transplant to correct the damage caused by the infection.
Sleeping with your lenses in raises the risk of corneal infection twentyfold.
Those unfamiliar with any subject picked the right match 71% of the time on average, while those in the group familiar with those photographed had a mean accuracy of 84%.A separate test with 10 fresh volunteers who knew Dr. Jenkins were asked to name any subject they recognised from a set of corneal images that included one of him.
Tissue engineers in Britain are doing just that to treat corneal scarring, a painful eye condition that affects millions of people, particularly in the developing world.
Treatment may ultimately require corneal transplant.
Insects also have corneal single-chambered eyes.
The first line of protection of the eyes is provided by the lids, which prevent access of foreign bodies and assist in the lubrication of the corneal surface.
The corneal reflex is rapid (0.1 second reflex time) and is the last to disappear in deepening anesthesia, impulses being relayed from the nucleus of the fifth nerve to the seventh cranial nerve, which transmits the motor impulses.
Cystinosis is characterized by the defective egress of cystine out of cellular organelles called lysosomes owing to a defect in the transporter cystinosin; persons with this disorder develop corneal deposits and kidney disease, and kidney transplantation may be necessary.
In the 1970s, gas-permeable rigid contact lenses were developed that allowed much more oxygen to pass through to the corneal surface, thus increasing comfort and wear time.
Because most rejection factors are carried in the bloodstream, the lack of blood vessels permits most corneal allografts to survive indefinitely without rejection.
These changes affect the upper lid in particular, causing it to buckle inward in such a way that the lashes rub across the already diseased cornea, exacerbating the corneal scarring and potentially leading to blindness.
