refractive power

refractive power

The degree to which a transparent body deflects a ray of light from a straight path.
See: diopter
References in periodicals archive ?
Refractive correction can be achieved either by altering the refractive power of the cornea or with the help of intraocular surgery.
MOIST Brand MULTIFOCAL Contact Lenses, an industry first: the only multifocal contact lens that has been created with uniquely optimized optic designs to address the natural variations in pupil size according to age -- and refractive power.
Cojuangco explained that lazy eye or amblyopia is often caused by a high degree of disparity in refractive power between the eyes and that the prevalence figures range from two to five percent of all children.
The lenses can be made with no refractive power or with the ability to correct the refractive error in near sided or far sided eyes.
Unlike conventional IOLs, the TECNIS Toric 1-Piece IOL can correct a patient's loss of focus due to pre-existing corneal astigmatism of one diopter (a unit of measurement of the refractive power of a lens) or greater.
Besides, there were also some patients who were complaining of refractive power, watering of the eyes squint and some were also found with night blindness.
The shine is due to the mineral's refractive power, but Mary probably didn't think a lot about that when she showed off her rock at the bridal shower.
Our proposal can thus determine the refractive power, n - 1 [approximately equal to] [10.
In Lasik--technically, "laser-assisted in situ keratomileusis"--a laser beam sculpts the cornea to change its shape and refractive power.
Density determines the polymer's refractive power, so shining different amounts of light on adjacent parts of the lens creates a gradation.
Pallikaris performed a lens exchange procedure to implant a new lens with a higher refractive power.
Research has also shown that good visual experience is required for emmetropisation to occur; that is, the reduction in refractive power in early childhood towards a more emmetropic refractive state.