Examples of 'optical zone' in a sentence
Meaning of "optical zone"
optical zone: This term typically refers to a portion of an optical system, such as a lens or mirror, where light rays are accurately focused or corrected to provide clear vision. It is commonly used in optometry and ophthalmology to describe the specific area in a corrective lens that provides optimal visual clarity
How to use "optical zone" in a sentence
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optical zone
The optical zone can be specified.
I will take that optical zone marker.
Optical zone of the intraocular lens.
Diameter of the optical zone of the intraocular lens.
A contact lens which has a centrally located optical zone.
The optical zone is inserted into the trephined space.
The central optical zone.
The optical zone is surrounded by a carrier portion as in the prior art.
Support or fastening substrate for the optical zone of the intraocular lens.
The optical zone is preferably ablated to form a healed aspheric surface.
Transition zones of other sizes may be ablated outside the optical zone.
Zones peripheral to the optical zone are mainly provided for fitting.
Optical zone and substrate of the intraocular lens having a circular geometry.
Such a lens has no mathematically describable optical surface in the lens optical zone.
The toric optical zone provides cylindrical correction to compensate for astigmatism.
See also
First material of the triplet that forms the optical zone of the intraocular lens.
Optical zone and substrate of the intraocular having a regular decagon shape.
The incision circumscribes the optical zone of the eye to cause the cornea to flatten.
Optical zone and substrate of the intraocular lens having a regular dodecagon shape.
A measured ablation shape is plotted as a function of radial position over the ablated optical zone.
The toric optical zone may be circular for all lenses in the set.
The cap will heal quickly and will leave the optical zone unchanged.
The peripheral ablated optical zone is overcorrected to provide distance visión on a healed cornea.
In one alternative arrangement the responsive polymer will only comprise the optical zone.
The optical zone of the corneal surface defines an aspheric shape to mitigate the presbyopia.
This variation brings about a redistribution in the thicknesses of the materials forming the optical zone.
Another technique for sculpting the optical zone employs a rotatable mask having a plurality of apertures.
The peripheral zone is that part of the lens that lies outside the optical zone.
The contact lens comprises a central optical zone and a peripheral zone for fastening the lens.
The anterior power curve covers the region known as the anterior optical zone surface.
The center of the ablated optical zone shows less filling than the peripheral optical zone.
The series of any preceding claim wherein each lens has a toric posterior optical zone.
The typical central optical zone is 4 millimeters in diameter.
Specifically the equatorial diameter in the optical zone 1.
First, the toric optical zone is not spherical.
In some embodiments, the perimeter of the toric optical zone is oval.
A 9 mm optical zone marker was used to demarcate the area to be de-epithelialised.
A treatment is calculated with reference to a first, second and third optical zone.
Naturally, optical zone sizes may be customized according to the pupil size.
This material was utilized to form plate style intraocular lenses with a 6-mm optical zone.
The central optical zone is overcorrected to provide near-vision on the healed cornea.
For each lens, at least one of said surfaces includes a toric optical zone.
The corneal surface has an optical zone, and a transition zone surrounding the optical zone.
However, this partial filling is not constant over the ablated optical zone.
Preferably, the contact lens comprises a central optical zone and a peripheral non-optical zone.
The incisions themselves do not cross the center of the cornea, the optical zone.
The optical zone marker was centred in the temporal limbus Figure 1.
For example, a bit of value 1 produces an electric voltage making transparent the associated optical zone.
The first optical zone OZ1 corresponds to said nominal optical zone.
Alternatively, a Media Insert may be annular so that the Optical Zone is void of material.
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