Results 241 to 250 of about 16,352,078 (311)
An LSPR-Active AuNP-Silicone Hydrogel Contact Lens for Continuous Ocular Strain Sensing: From Engineering Design to In Vivo Validation. [PDF]
Biosensors (Basel)Tang Y, Meng L, Liu Y, Ma X.
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Modified Scleral Fixation for Intraocular Lenses With Unloopable Haptic Designs. [PDF]
J Vitreoretin DisNuesi R, Smiddy WE.
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Overprinting with tomographic volumetric additive manufacturing. [PDF]
Nat CommunWechsler F +5 more
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Effect of lens care system on silicone hydrogel contact lens wettability [PDF]
Contact Lens and Anterior Eye, 2015 PurposeThe purpose was to compare the effect of the repeated usage of two care systems (one hydrogen peroxide cleaning and disinfecting system and one polyaminopropyl biguanide (PHMB) containing multi-purpose system) with silicone hydrogel contact lenses
Michel Guillon +2 more
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Lens Opacities Classification System
Archives of Ophthalmology, 1988The Lens Opacities Classification System (LOCS) is a simple system for classifying age-related human lens opacities at the slit lamp or in retroilluminated and slit-lamp photographs. The system employs a set of standard Neitz CTR retroilluminated black-and-white photographs for classification of cortical and posterior subcapsular cataracts and a single
L T, Chylack +4 more
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Correcting lens system for perimetry
Ophthalmic and Physiological Optics, 1995Summary A lens system to correct for both refractive error and perimeter test distance is frequently needed for accurate perimetry. Patients often lack appropriate near vision corrections and full aperture trial case lenses, when they are available, barely cover the central 30° and hence frequently produce lens rim artefacts.
Henson, David B., Earlam, Richard A.
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Zoom Lens Systems with Aspherical Plastic Lens
IEEE Transactions on Consumer Electronics, 1987Light-weight zoom lens systems with aspherical lens elements, zoom ratio of 6, for a camcorder have been developed by applying new optical design and high precision plastic solding technology.
Takesuke Maruyama +4 more
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Analysis of Perturbed Lens Systems
Applied Optics, 1970In tolerancing a lens system, it is necessary to know the effects of fabrication and alignment errors on the image quality. In this report, the wavefront aberration due to a small parameter perturbation is derived. This may be calculated from ray tracing through the nominal system only, and its linearity is extremely useful for tolerancing. The results
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Applied Optics, 1989
Situations exist in the area of optical information processing where one may choose between either a single large lens or many small lenslets side by side. The choice will be influenced by many parameters, among others by the space-bandwidth product SW. The SW is an upper limit for the number of data channels which can be handled in parallel. Hence, we
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Situations exist in the area of optical information processing where one may choose between either a single large lens or many small lenslets side by side. The choice will be influenced by many parameters, among others by the space-bandwidth product SW. The SW is an upper limit for the number of data channels which can be handled in parallel. Hence, we
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Journal of Perioperative Practice, 2007
Surgeons have always been ready to adapt advances in technology into their practice. The discovery by Wilhelm Roentgen of X-rays in 1885 was applied within weeks of its publication to the diagnosis of fractures and the location of foreign bodies. The development of the electric light bulb by Edison enabled Max Nitze, Professor of Urology in Berlin, to ...
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Surgeons have always been ready to adapt advances in technology into their practice. The discovery by Wilhelm Roentgen of X-rays in 1885 was applied within weeks of its publication to the diagnosis of fractures and the location of foreign bodies. The development of the electric light bulb by Edison enabled Max Nitze, Professor of Urology in Berlin, to ...
openaire +2 more sources