Results 311 to 320 of about 775,307 (358)
Optical characterisation and vision quality assessment of two myopia control contact lenses. [PDF]
Ophthalmic Physiol OptRichards J +4 more
europepmc +1 more source
Investigation of the influencing factors on subjective evaluation in initial and end-of-day silicone hydrogel contact lens wear. [PDF]
BMC OphthalmolSun HY, Yang RY, Chen YY.
europepmc +1 more source
Erratum in: Childhood Myopia Part I: Contemporary Treatment Options. [PDF]
Invest Ophthalmol Vis Scieuropepmc +1 more source
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Current Opinion in Ophthalmology, 1993
Cataract remains a major source of blindness in many countries throughout the world. Although modern medicine and technology have combined to provide an almost ideal solution, availability of modern cataract and lens implant surgery is restricted, even in developed nations. The health care "cake" is not always divided fairly in favor of ophthalmology
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Cataract remains a major source of blindness in many countries throughout the world. Although modern medicine and technology have combined to provide an almost ideal solution, availability of modern cataract and lens implant surgery is restricted, even in developed nations. The health care "cake" is not always divided fairly in favor of ophthalmology
openaire +3 more sources
Current Opinion in Ophthalmology, 1990
I have again reviewed the current state of the art in intraocular lens design in what has been a year of consolidation rather than dramatic discoveries. In foldable lenses, silicone reigns supreme, but there is the promising development of high-refractive-index foldable acrylic lenses.
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I have again reviewed the current state of the art in intraocular lens design in what has been a year of consolidation rather than dramatic discoveries. In foldable lenses, silicone reigns supreme, but there is the promising development of high-refractive-index foldable acrylic lenses.
openaire +4 more sources
Ultraviolet-Absorbing Spectacle Lenses, Contact Lenses, and Intraocular Lenses
Optometry and Vision Science, 1990Optical materials that are available to the practitioner for protection of the eye against hazardous exposure to ultraviolet radiation (UVR) are discussed. Principles of protection, procedures for calculating safe ocular exposure duration, and transmittance curves of commonly prescribed spectacle lenses, contact lenses, and intraocular lenses are ...
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1989
Publisher Summary This chapter derives the paraxial equations of quadrupole systems, and introduces the notion of an orthogonal system. The chapter remarks that although strong focusing at high energy and aberration correction have been the principal stimuli for research on quadrupoles, their properties were very fully explored long before either of ...
Peter Hawkes, Erwin Kasper
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Publisher Summary This chapter derives the paraxial equations of quadrupole systems, and introduces the notion of an orthogonal system. The chapter remarks that although strong focusing at high energy and aberration correction have been the principal stimuli for research on quadrupoles, their properties were very fully explored long before either of ...
Peter Hawkes, Erwin Kasper
openaire +5 more sources