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A - Z of Eyes & Focusing
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
M
Meibomian secretions
Oily secretions from the eyelid glands that supply the outer portion of tear film, prevent rapid tear evaporation and tear overflow.
Micron
One thousandth of a millimeter. The symbol for a micron is µ.
Microkeratome
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a surgeon uses to create the corneal flap in the uppermost layer of the cornea during the LASIK procedure, (now mostly superseded by the Femtosecond laser).
Monovision
The purposeful adjustment of one eye for near vision and the other for distance vision accomplished with either corrective lenses or surgery.
Myopes
People who are nearsighted.
Myopia
The medical term for nearsightedness. Eye is too steep, too long, image is focused in front of the retina.
N
Nearsightedness
See "Myopia"
Nebulas
Scars that are translucent.
Nomogram
A surgeon's adjustment to the laser's computer calculation to further refine his or her own results.
O
Off label use
The permissible use of an approved drug or instrument in a way that has not been specifically sanctioned.
Optic nerve
The 1.2 million optical nerve fibres connecting to the eye and terminating in the brain where images are created and processed.
Overcorrection
The result achieved when the change to refractive error exceeds the attempted correction.
