About LASIK Treatment
LASIK from A-Z
Find a term you’re unfamiliar with while learning about laser vision correction?
Turn to our LASIK Glossary for quick LASIK surgery definitions to keep you in-the-know about eye care and laser vision correction.
Click to expand and collapse.
Acuity:Acuity refers to the sharpness or clarity of your vision.
Cornea:The cornea is the transparent front portion of the eyeball that covers the iris and pupil; it is continuous with the sclera.
Corneal Epithelium:The corneal epithelium is the thin, protective layer encasing the eyeball. Prior to LASIK eye surgery, the epithelium must be lifted or polished away to expose the underlying cornea. The epithelium is regenerative and heals quickly.
Diopter:A diopter is one whole number on a prescription. The number of diopters on your prescription represents how much correction is needed to normalize your vision. The more myopic or hyperopic you are, the higher your prescription will be represented in diopters; or rather the farther away from zero your prescription will be.
Excimer Laser:An excimer laser refers to a cool laser. Excimer lasers use cool beams of ultraviolet light to evaporate corneal tissue during vision correction.
Farsightedness:Farsightedness is another name for Hyperopia or Hypermetropia. Many Farsighted patients have difficulty seeing things up close, and often have crisp-acute distance vision.
Hyperopia or Hypermetropia:Many Hyperopic patients have difficulty seeing things up close, and often have crisp-acute distance vision.
IOL or Intraocular Lens Implant:A lens is implanted in front of, or in place of, the eye's natural lens. IOLs may be a great option for patients with severe vision prescriptions.
Iris:The iris is the colored portion of the visible eye. It is a muscle that affects the size of the pupil, depending on the amount of light needed to enter the pupil.
Keratectomy:Keratos is the Greek word for cornea, and ectomy means to remove. Together they mean to remove corneal tissue.
Keratotomy:Keratos is the Greek word for cornea, and otomy means to create an incision. Together they mean to create an incision in the cornea.
Keratomileusis:Keratos is the Greek word for cornea, and mileusis means to reshape. Together they mean to reshape the cornea.
LASIK:LASIK is an acronym that allows us to quickly say, "laser assisted in situ keratomileusis." This is more simply said as "reshaping the cornea using a laser."
Lens:The lens of the eye is the body between the iris and the vitreous humor that focuses light rays entering through the pupil to form an image on the retina. You may also want to research presbyopia.
Microkeratome:A blade that creates a flap in the cornea during LASIK Surgery.
Monovision:When one eye is deliberately corrected for distance vision and the other for close vision.
Myopia:Myopic people typically have difficulty seeing objects at a distance. Myopia can be so severe that people have difficulty seeing objects up close too.
Nearsightedness:Nearsightedness is another name for Myopia. Nearsighted people typically have difficulty seeing objects at a distance. Nearsightedness can be so severe that people have difficulty seeing objects up close too.
Ophthalmologist:An opthalmologist is a medical doctor whose specialization is vision. An opthalmologist can diagnose vision concerns, treat vision concerns, manage vision concerns, perform eye surgery, prescribe medicine, and ophthalmologists can perform laser eye surgery.
Optician:An optician makes glasses and performs adjustments on frames.
Optometrist:An optometrist is a doctor whose specialization is vision. An optometrist can diagnose vision concerns, treat vision concerns, manage vision concerns.
PRK or Photorefractive Keratectomy:PRK is a corneal procedure where the superficial cornea is removed to improve vision. PRK is an alternative to LASIK Eye Surgery.
Presbyopia:"Presbys" is Greek for "old man" and "opia" refers to the eye. Presbyopia typically occurs in our late thirties or early forties, and it can make reading things up close difficult. Our lenses lose their ability to accomodate, or change shape. Some patients may be good candidates for Monovision as an Alternative to Bilateral LASIK.
Pupil:The pupil is the dark opening in the visible eye. It will open when more light is needed to see, and it will get smaller if less light is needed to see.
Refractive Error:This word refers to vision problems associated with the cornea: astigmatism, hyperopia, and myopia.
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Surgeons certified by the American Board of Ophthalmology: Therese Alban, Ronald Allen, Omar Awad, David Aymond, Michael Cornell, Dean Ellis, Jessica Fleishman, Quentin Franklin, Sonny Goel, Lewis Groden, Karen Heuer, Gerald Horn, Sandeep Kakaria, Jay Lustbader, Damon Pettinelli, Michael Richie, Jeffrey Robin, Michael Rom, Anthony Salierno, Chirag Shah, Matthew Sharpe, Eugene Smith, Robert Smith, Joseph Thomas, Sally Thompson, Joann Webster, Stephen Whiteside, Neil Wills.
Surgeons certified by the American Osteopathic Board of Ophthalmology and Otorhinolaryngology: Jason Greenberg, Vincent Marino.
Surgeons certified by the American Board of Physician Specialties: Frederico Mattioli.
**Military, firefighters, police and teachers are eligible for a 10% discount off the standard price. Proof of employment or membership is required. Treatment must be completed by 12/31/12. Discounts or rewards programs cannot be combined with any other discount, participating health or vision plan discount, rewards program, or offer. Valid at participating locations only. Additional restrictions may apply. Ask your vision center for details.
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