Examples of 'multifocal lens' in a sentence
Meaning of "multifocal lens"
Multifocal lens: A type of eyeglass lens that contains multiple lens powers to help individuals see clearly at different distances, commonly used for correcting presbyopia or age-related difficulty in focusing on close objects
How to use "multifocal lens" in a sentence
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multifocal lens
There is provided a progressive multifocal lens having particular characteristics.
The method can be applied indifferently for a unifocal or multifocal lens.
A diffractive multifocal lens already has a diffractive profile in its surface.
Progressive lenses offer the benefits of a multifocal lens without a multifocal line.
Multifocal lens allows you to restore visual acuity near and far.
The first type of bifocal or multifocal lens is preferred in the present invention.
Experts often refer to progressive lenses as lenses that provide a true multifocal lens.
A conventional progressive power multifocal lens has a convex surface and a concave surface.
A multifocal lens of this type has a reduced depth of focus as compared with a monofocal lens.
A method is also provided for forming such a multifocal lens in multiple stages.
A specified area of a multifocal lens having different power from the major portion.
People who are more demanding in this aspect are good candidates for multifocal lens implants.
The wear conditions of the multifocal lens for this prescription are standard wear conditions.
Alternatively, the refractive structures can be designed to create a multifocal lens.
The phase plate is designed to operate as a multifocal lens in the visible light range.
See also
The monofocal or multifocal lens implant is then inserted through the same tiny incision.
Fig . 2 is a diagram showing distribution of astigmatic surfaces of a progressive power multifocal lens.
In a multifocal lens we wish to share the incident light between the various focal points.
A need therefore exists for a progressive multifocal lens which better satisfies the needs of wearers.
A multifocal lens with a zone plate and a pure refractive portion within its optic zone.
How to know if TECNIS Multifocal Lens if right for you.
A multifocal lens for correcting visión comprising,.
The center of the Double-D multifocal lens is for distance vision.
The multifocal lens according to claim 1, wherein the first portion is substantially vertical.
For such a patient, a functional multifocal lens would be particularly useful.
In a further preferred embodiment, the lens is a single focus, bifocal or progressive multifocal lens.
In this way, a multifocal lens can be created.
Those with presbyopia . There are many bifocal and multifocal lens designs.
We attempt to obtain a multifocal lens for the following prescription,.
A multifocal lens is not a zoom lens, making focus mandatory at every focal length change.
In years past, you could spot a multifocal lens by the line separating the two sections.
The contact lens 40 is also a multifocal lens.
Therefore, the multifocal lens also suffers from deteriorated wearing comfort.
FIG . 1 is a diagrammatical front view of a progressive multifocal lens.
In selected patients, a multifocal lens may be implanted to give patients total spectacle independence.
Wide range of plus, minus, toric (for astigmatism) and multifocal lens.
Furthermore, the wear conditions of the multifocal lens for this prescription are customized wear conditions,.
A multifocal lens according to claim 4 which the purely refractive portion ( R ) comprises a substantially circular área.
A method for preparing a multifocal lens ex vivo, comprising,.
In the progressive multifocal lens mode, the screen plate 15 is disposed at the position A.
One popular occupational multifocal lens is the " Double-D . ".
An occupational multifocal lens typically called a “ golf player 's bifocal . ”.
For illustrative purposes, a multifocal lens 10 is depicted in Figure 1.
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