New Multifocal Lens Implants
You can NOW enjoy the benefits of improving both near vision and far vision after cataract surgery! We offer our patients options for multifocal lens implants after cataract surgery to reduce dependence on glasses.
LASIK - Laser Eye Surgery New Hampshire
If you are seeking LASIK in New Hampshire our practice offers excellent quality and experienced LASIK surgeons. Call us today to get the REAL facts about lasik eye surgery.
Glossary

astigmatism - an optical term used to describe a state of corneal (typically) curvature where two different radii of curvature exist often at 90 degrees to each other - everyday examples of an astigmatic surface include the back of a spoon or the side of a football (American)

cataract - a clouding of the human lens as a result of changes within the lens protein, typically from accumulated exposure to ultraviolet rays, which can eventually interfere with clear vision

corneal topography - a computer-aided study which maps the surface contour of the cornea and detects abnormalities of shape and other irregularities

diopter - a unit of light bending power used to describe the optical strength of an optical element such as a spectacle/eyeglass lens or any anatomical structure such as the human cornea or lens that helps in the formation of a clear image

endothelium - the innermost lining of the cornea consisting of a layer of cells that maintains clarity of the cornea by means of a pumping action which draws fluid out of the rest of the corneal layers; it is this pumping action which helps a LASIK flap to adhere without the need for sutures

epithelium - the outermost cell layer of the cornea which is covered by the tear film

excimer - a term derived from a contraction of the words 'excited dimer'

higher order aberrations- a term used to describe various types of optical imperfections such a coma, trefoil, and spherical aberration. These are measured with an aberrometer such as the WaveScan, and can be removed using CustomVue laser treatment with the VISX STAR S4 laser. The FDA trials showed that laser vision correction with LASIK that incorporated this technology resulted in better quality of vision than with traditional LASIK.

keratoconus - an abnormality of corneal shape which results in a conical or pointed curvature of part of the cornea, and can be associated with areas of corneal thinning

LASIK - an acronym which is derived from the phrase "laser assisted in-situ keratomileusis", a precise method of reshaping the cornea within its deeper layers under a surgically created flap of corneal tissue using the cool and gentle energy of the excimer laser

lid speculum - a smooth surgical instrument that is placed between the eyelids to gently but firmly hold them open thereby freeing the surgeon's hands for other tasks while providing necessary exposure of the eyeball to facilitate the planned surgical procedure

micron - a unit of length which is defined as 1/1,000,000 of a meter, or 1/1000 of a millimeter

pachymetry - the computer-aided ultrasonic measurement of the thickness of the cornea routinely used prior to laser vision correction such as LASIK, as well as in certain diseases that might alter corneal thickness

pupillometry - the measurement of the size of the pupil especially under conditions of relative darkness, most commonly performed using an infrared device so that the pupil does not constrict from stray natural light, thereby providing a more accurate measurement of the largest potential pupil diameter

refractive error - the amount of optical correction required to make the eye optimally focused for distant objects

slit lamp - a horizontally positioned stereo microscope that uses an adjustable light source designed for examining various parts of the living eye

Steroid - a general term which refers to cortisone medication used to prevent scarring by controlling the healing and inflammation response after eye surgery