A - Z of Eyes & Focusing
Oily secretions from the eyelid glands that supply the outer portion of tear film, prevent rapid tear evaporation and tear overflow.
One thousandth of a millimeter. The symbol for a micron is µ.
The instrument a surgeon uses to create the corneal flap in the uppermost layer of the cornea during the LASIK procedure, (now mostly superseded by the Femtosecond laser).
The purposeful adjustment of one eye for near vision and the other for distance vision accomplished with either corrective lenses or surgery.
People who are nearsighted.
The medical term for nearsightedness. Eye is too steep, too long, image is focused in front of the retina.
Scars that are translucent.
A surgeon's adjustment to the laser's computer calculation to further refine his or her own results.
Off label use
The permissible use of an approved drug or instrument in a way that has not been specifically sanctioned.
The 1.2 million optical nerve fibres connecting to the eye and terminating in the brain where images are created and processed.
The result achieved when the change to refractive error exceeds the attempted correction.