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Definitions for "TRIFOCAL LENSES"
Keywords:  lenses, intermediate, vision, focal, multifocals
Related Terms: Trifocal lens, Bifocal lenses, Trifocal, Bifocal lens, Progressive lenses, Bifocals, Multifocal, Bifocal, Progressive lens, Aspheric, Concave lens, Convex lens, Aspherical lens, Aspheric lens, Converging lens, Accommodation, Spherical aberration, Multifocal lens, Diopter adjustment, Fish-eye lens, Hyperopia, Lens, Aspherical, Magnifying glass, Eye relief, Toric lens, Myopia, Hypermetropia, Crystalline lens, Astigmatism, Back focal length, Diopter, Plano, Fisheye lens, Telecentric lens, Normal lens, Dioptre, Wide-angle, Emmetropia, Farsightedness, Refractive errors, Long lens, Exit pupil, Compound lens, Monovision, Nearsighted, Focal length, Diverging lens, Refractive error, Aberration
Corrective lenses with three focal lengths.
ww1.mesvision.com
Trifocal lenses are useful in affording the patient 3 vision corrections. One for distance, intermediate (arm length) and reading.
opticatropical.com
A type of multifocals with lines that provide (correction for three fields of vision, including distance, near and intermediate in one lens.) three fields of vision.
shopko.com
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